Original sentence: This is phonemically a sequence of  and  rather than a diphthong, because English speakers perceive ewe  and two  as a valid rhyme, and they say "a ewe" instead of *"an ewe", which would be correct if  was a vowel
Edited sentence: This is phonemically a sequence of  and  rather than a diphthong, because English speakers think ewe  rhymes with two , and they say "a ewe" instead of *"an ewe", which would be correct if  was a vowel