what's happened to his feet
what happen to his foot
pro:int part prep det:poss n
what's happened to his feet ?
w ɒ t s WORD_BOUNDARY h a p ə n d WORD_BOUNDARY t ə WORD_BOUNDARY h ɪ z WORD_BOUNDARY f iː t WORD_BOUNDARY
w h a t ' s WORD_BOUNDARY h a p p e n e d WORD_BOUNDARY t o WORD_BOUNDARY h i s WORD_BOUNDARY f e e t WORD_BOUNDARY