phonemeDifference = function(twoWords) {
let firstPhonemes = (RiTa.phones(twoWords[0])).split("-");
let secondPhonemes = (RiTa.phones(twoWords[1])).split("-");
let differenceSounds = difference(firstPhonemes, secondPhonemes);
let possibleWords = RiTa.search();
let differenceWords = [];
for (let i=0; i < possibleWords.length; i++) {
let phones = (RiTa.phones(possibleWords[i])).split("-");
if (containedIn(phones, differenceSounds)) {
differenceWords.push(possibleWords[i]);
}
}
return differenceWords;
}