я yah
like in yacht or yankee
йе yeh
like in yes or yellow
йо yoh
like in yogurt or coyote
ю yuh
like in you or cute
Note that 'ю' and 'я' denote diphthongs [yuh] and [yah] after a vowel and at the beginning of a word, and denote softening (palatization) after a consonant.