Benjamin Franklin's phonetic alphabet as follows: Franklin's proposed alphabet included seven letters to represent vowels. This set consisted of two new letters, in addition to five letters from the existing English alphabet: a, e, i, o, u. The first new letter was a formed as a ligature of the letters o and a, and used to represent the sound (as written in IPA). The second, ɥ, was used for . Franklin proposed the use of doubled letters to represent what he called long vowels, represented by modern phonemes thus: as the long-vowel variant for (or, in his notation, "cɩcɩ" versus "cɩ"), for ("ee" versus
Phonological history of English high front vowels corresponded to similar Old English vowels, while came from Old English . For other possible histories, see English historical vowel correspondences. In particular, the long vowels sometimes arose from short vowels, via Middle English open syllable lengthening or other processes. For example, "team" comes from an originally long Old English vowel, while "eat" comes from an originally short vowel that underwent lengthening; the distinction between these two groups of words is still preserved in a few dialects, as noted in the following section. Middle English was shortened in certain words. Both long and short forms of such words often existed