how many pure vowels are there in english language
Vowel
Front Near - front Central Near - back Back Close i y ɨ ʉ ɯ u ɪ ʏ ɪ̈ ʊ̈ ɯ̽ ʊ ø ɘ ɵ ɤ o e̞ ø̞ ə ɵ̞ ɤ̞ o̞ ɛ œ ɜ ɞ ʌ ɔ æ ɐ ɞ̞ ɶ ä ɒ̈ ɑ ɒ Near - close Close - mid Mid Open - mid Near - open Open
Front Near - front Central Near - back Back Close i y ɨ ʉ ɯ u ɪ ʏ ɪ̈ ʊ̈ ɯ̽ ʊ ø ɘ ɵ ɤ o e̞ ø̞ ə ɵ̞ ɤ̞ o̞ ɛ œ ɜ ɞ ʌ ɔ æ ɐ ɞ̞ ɶ ä ɒ̈ ɑ ɒ Near - close Close - mid Mid Open - mid Near - open Open