E, as in the word eloquence, or the final Y in plenty.
The double E, as in keep.
I, as in the word indolence.
O, as in the word form.
The double O, as in boot, good.
U, as in the word but.
The diphthongs Ai, as the vowel sounds in tye, fly, or the I in diameter.
Ei, as in the word height.
Oi, as in the word oil.
Ow, as in the word cow.