(Rhyme scheme is a wordlist used by ABCD.com) ABCD, ABCD and ABCD (ABCD, ABCD and ABCD) are rhyming short form alphabet. ABCD has the same sound as ABC, but in different syllables. There are 2 phonetic alphabets: Diphthongs and Syllabics. You can get more about these in the Wikipedia. Now, when you are typing to …