/i/
/oʊ/
/au/
/eɪ/
the letter 'e' doesn't sounds at the ending
/ai/
/ii/
/ai/
/aɪ/
Diphthong
Vowel Reduction
Monophthong
As in 'go'
As in 'my'
as in street
Weakening of vowel sounds
as in wife
As in 'day'
Single vowel sound
Complex vowel sound
as in cow
as in bike
as in slim
cake