what kinds of birds
what kind of bird
pro:int n prep n
what kinds of birds ?
w ʌ t WORD_BOUNDARY k aɪ n d z WORD_BOUNDARY ʌ v WORD_BOUNDARY b ɜː d z WORD_BOUNDARY
w h a t WORD_BOUNDARY k i n d s WORD_BOUNDARY o f WORD_BOUNDARY b i r d s WORD_BOUNDARY