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Add pig-latin (#272)
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config.json

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"prerequisites": [],
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"difficulty": 4
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},
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{
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"slug": "pig-latin",
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"name": "Pig Latin",
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"uuid": "02123c09-a496-48a7-b76e-5150f148a186",
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"practices": [],
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"prerequisites": [],
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"difficulty": 5
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},
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{
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"slug": "dnd-character",
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"name": "D&D Character",
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# Instructions
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Your task is to translate text from English to Pig Latin.
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The translation is defined using four rules, which look at the pattern of vowels and consonants at the beginning of a word.
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These rules look at each word's use of vowels and consonants:
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- vowels: the letters `a`, `e`, `i`, `o`, and `u`
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- consonants: the other 21 letters of the English alphabet
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## Rule 1
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If a word begins with a vowel, or starts with `"xr"` or `"yt"`, add an `"ay"` sound to the end of the word.
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For example:
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- `"apple"` -> `"appleay"` (starts with vowel)
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- `"xray"` -> `"xrayay"` (starts with `"xr"`)
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- `"yttria"` -> `"yttriaay"` (starts with `"yt"`)
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## Rule 2
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If a word begins with one or more consonants, first move those consonants to the end of the word and then add an `"ay"` sound to the end of the word.
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For example:
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- `"pig"` -> `"igp"` -> `"igpay"` (starts with single consonant)
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- `"chair"` -> `"airch"` -> `"airchay"` (starts with multiple consonants)
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- `"thrush"` -> `"ushthr"` -> `"ushthray"` (starts with multiple consonants)
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## Rule 3
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If a word starts with zero or more consonants followed by `"qu"`, first move those consonants (if any) and the `"qu"` part to the end of the word, and then add an `"ay"` sound to the end of the word.
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For example:
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- `"quick"` -> `"ickqu"` -> `"ickquay"` (starts with `"qu"`, no preceding consonants)
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- `"square"` -> `"aresqu"` -> `"aresquay"` (starts with one consonant followed by `"qu`")
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## Rule 4
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If a word starts with one or more consonants followed by `"y"`, first move the consonants preceding the `"y"`to the end of the word, and then add an `"ay"` sound to the end of the word.
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Some examples:
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- `"my"` -> `"ym"` -> `"ymay"` (starts with single consonant followed by `"y"`)
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- `"rhythm"` -> `"ythmrh"` -> `"ythmrhay"` (starts with multiple consonants followed by `"y"`)
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# Introduction
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Your parents have challenged you and your sibling to a game of two-on-two basketball.
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Confident they'll win, they let you score the first couple of points, but then start taking over the game.
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Needing a little boost, you start speaking in [Pig Latin][pig-latin], which is a made-up children's language that's difficult for non-children to understand.
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This will give you the edge to prevail over your parents!
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[pig-latin]: https://en.wikipedia.org/wiki/Pig_latin
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{
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"authors": [
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"BNAndras"
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],
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"files": {
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"solution": [
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"source/pig_latin.d"
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],
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"test": [
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"source/pig_latin.d"
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],
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"example": [
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"example/pig_latin.d"
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]
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},
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"blurb": "Implement a program that translates from English to Pig Latin.",
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"source": "The Pig Latin exercise at Test First Teaching by Ultrasaurus",
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"source_url": "https://github.com/ultrasaurus/test-first-teaching/blob/master/learn_ruby/pig_latin/"
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}
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# This is an auto-generated file.
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#
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# Regenerating this file via `configlet sync` will:
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# - Recreate every `description` key/value pair
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# - Recreate every `reimplements` key/value pair, where they exist in problem-specifications
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# - Remove any `include = true` key/value pair (an omitted `include` key implies inclusion)
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# - Preserve any other key/value pair
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#
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# As user-added comments (using the # character) will be removed when this file
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# is regenerated, comments can be added via a `comment` key.
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[11567f84-e8c6-4918-aedb-435f0b73db57]
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description = "ay is added to words that start with vowels -> word beginning with a"
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[f623f581-bc59-4f45-9032-90c3ca9d2d90]
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description = "ay is added to words that start with vowels -> word beginning with e"
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[7dcb08b3-23a6-4e8a-b9aa-d4e859450d58]
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description = "ay is added to words that start with vowels -> word beginning with i"
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[0e5c3bff-266d-41c8-909f-364e4d16e09c]
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description = "ay is added to words that start with vowels -> word beginning with o"
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[614ba363-ca3c-4e96-ab09-c7320799723c]
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description = "ay is added to words that start with vowels -> word beginning with u"
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[bf2538c6-69eb-4fa7-a494-5a3fec911326]
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description = "ay is added to words that start with vowels -> word beginning with a vowel and followed by a qu"
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[e5be8a01-2d8a-45eb-abb4-3fcc9582a303]
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description = "first letter and ay are moved to the end of words that start with consonants -> word beginning with p"
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[d36d1e13-a7ed-464d-a282-8820cb2261ce]
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description = "first letter and ay are moved to the end of words that start with consonants -> word beginning with k"
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[d838b56f-0a89-4c90-b326-f16ff4e1dddc]
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description = "first letter and ay are moved to the end of words that start with consonants -> word beginning with x"
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[bce94a7a-a94e-4e2b-80f4-b2bb02e40f71]
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description = "first letter and ay are moved to the end of words that start with consonants -> word beginning with q without a following u"
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[c01e049a-e3e2-451c-bf8e-e2abb7e438b8]
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description = "some letter clusters are treated like a single consonant -> word beginning with ch"
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[9ba1669e-c43f-4b93-837a-cfc731fd1425]
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description = "some letter clusters are treated like a single consonant -> word beginning with qu"
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[92e82277-d5e4-43d7-8dd3-3a3b316c41f7]
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description = "some letter clusters are treated like a single consonant -> word beginning with qu and a preceding consonant"
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[79ae4248-3499-4d5b-af46-5cb05fa073ac]
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description = "some letter clusters are treated like a single consonant -> word beginning with th"
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[e0b3ae65-f508-4de3-8999-19c2f8e243e1]
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description = "some letter clusters are treated like a single consonant -> word beginning with thr"
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[20bc19f9-5a35-4341-9d69-1627d6ee6b43]
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description = "some letter clusters are treated like a single consonant -> word beginning with sch"
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[54b796cb-613d-4509-8c82-8fbf8fc0af9e]
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description = "some letter clusters are treated like a single vowel -> word beginning with yt"
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[8c37c5e1-872e-4630-ba6e-d20a959b67f6]
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description = "some letter clusters are treated like a single vowel -> word beginning with xr"
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[a4a36d33-96f3-422c-a233-d4021460ff00]
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description = "position of y in a word determines if it is a consonant or a vowel -> y is treated like a consonant at the beginning of a word"
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[adc90017-1a12-4100-b595-e346105042c7]
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description = "position of y in a word determines if it is a consonant or a vowel -> y is treated like a vowel at the end of a consonant cluster"
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[29b4ca3d-efe5-4a95-9a54-8467f2e5e59a]
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description = "position of y in a word determines if it is a consonant or a vowel -> y as second letter in two letter word"
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[44616581-5ce3-4a81-82d0-40c7ab13d2cf]
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description = "phrases are translated -> a whole phrase"

exercises/practice/pig-latin/dub.sdl

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name "pig-latin"
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buildRequirements "disallowDeprecations"
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module pig_latin;
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import std.array : join, split;
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import std.regex;
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string translate(immutable string input)
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{
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string[] results;
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string[] words = input.split(" ");
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auto vowelSound = regex("^([aeiou]|xr|yt)");
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auto consonantSound = regex("^([^aeiou]+(?=y)|[^aeiou]?qu|[^aeiou]+)([a-z]+)");
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foreach (word; words)
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{
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if (!word.matchFirst(vowelSound))
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{
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auto m = word.matchAll(consonantSound);
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word = m.captures[2] ~ m.captures[1];
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}
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results ~= word ~ "ay";
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}
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return results.join(" ");
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}
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module pig_latin;
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string translate(immutable string input)
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{
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// implement this function
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}
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unittest
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{
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immutable int allTestsEnabled = 0;
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// word beginning wth a
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assert(translate("apple") == "appleay");
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static if (allTestsEnabled)
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{
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// word beginning with e
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assert(translate("ear") == "earay");
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// word beginning with i
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assert(translate("igloo") == "iglooay");
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// word beginning with o
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assert(translate("object") == "objectay");
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// word beginning with u
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assert(translate("under") == "underay");
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// word beginning with a vowel and followed by a qu
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assert(translate("equal") == "equalay");
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// word beginning with p
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assert(translate("pig") == "igpay");
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// word beginning with k
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assert(translate("koala") == "oalakay");
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// word beginning with x
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assert(translate("xenon") == "enonxay");
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// word beginning with q without a following u
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assert(translate("qat") == "atqay");
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// word beginning with ch
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assert(translate("chair") == "airchay");
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// word beginning with qu
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assert(translate("queen") == "eenquay");
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// word beginning with qu and a preceding consonant
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assert(translate("square") == "aresquay");
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// word beginning with th
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assert(translate("therapy") == "erapythay");
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// word beginning with thr
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assert(translate("thrush") == "ushthray");
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// word beginning with sch
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assert(translate("school") == "oolschay");
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// word beginning with yt
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assert(translate("yttria") == "yttriaay");
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// word beginning with xr
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assert(translate("xray") == "xrayay");
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// y is treated like a consonant at the beginning of a word
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assert(translate("yellow") == "ellowyay");
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// y is treated like a vowel at the end of a consonant cluster
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assert(translate("rhythm") == "ythmrhay");
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// y as second letter in two letter word
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assert(translate("my") == "ymay");
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// a whole phrase
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assert(translate("quick fast run") == "ickquay astfay unray");
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}
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}
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