Vowel in Creek, the letter "V" stands for . There is not necessarily a direct one-to-one correspondence between the vowel sounds of a language and the vowel letters. Many languages that use a form of the Latin alphabet have more vowel sounds than can be represented by the standard set of five vowel letters. In English spelling, the five letters "A" "E" "I" "O" and "U" can represent a variety of vowel sounds, while the letter "Y" frequently represents vowels (as in e.g., "gym", "happy", or the diphthongs in "cry", "thyme"); "W" is used in representing some diphthongs (as in "cow")
Open back rounded vowel on the right. A well-rounded is rare, but it is found in some varieties of English. In most languages with this vowel, such as English and Persian, the rounding of is slight, and in English at least, it is sulcal or "grooved". However, according to , Assamese has an "over-rounded" , with rounding as strong as that for . According to the phonetician Geoff Lindsey, may be an entirely superfluous IPA symbol, as the sound it represents is far too similar to the open-mid back rounded vowel , which makes it unlikely that any language would contrast these two vowels