How anyone can master such a crazy language as English is beyond my understanding:
| a | ai | au | e | ea | ee | ei | i | ie | o | oa | oe | oi | oo | ou | u | ui | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| [iː] | these | leaf | tree | receive | police | piece | phoenix | ||||||||||
| [ɪ] | pretty | sit | sieve | women | busy | build | |||||||||||
| [ɪə] | here | dear | deer | weird | fierce | ||||||||||||
| [ɛ] | many | said | bed | dead | Greenwich | heifer | bury | ||||||||||
| [ɛə] | care | air | bear | their | |||||||||||||
| [ɛɪ] | ape | rain | great | veil | |||||||||||||
| [æ] | bad | ||||||||||||||||
| [ʌ] | son | does | blood | couple | sun | ||||||||||||
| [aɪ] | height | time | die | guide | |||||||||||||
| [aʊ] | house | ||||||||||||||||
| [ɑː] | father | laugh | sergeant | heart | |||||||||||||
| [ɒ] | was | sausage | dog | cough | |||||||||||||
| [ɔː] | talk | fault | more | broad | door | thought | |||||||||||
| [ɔɪ] | point | ||||||||||||||||
| [ʊ] | woman | book | could | sugar | |||||||||||||
| [ʊə] | poor | tour | sure | ||||||||||||||
| [uː] | do | shoe | food | soup | rude | fruit | |||||||||||
| [ɜː] | her | earth | sir | word | journey | turn | |||||||||||
| [əʊ] | so | soap | toe | soul |
(This is for British so-called “received” pronunciation. Not every combination has been shown, and only stressed vowels have been tabulated.)