what's happened to him
what happen to him
pro:int part prep pro:obj
what's happened to him ?
w ɒ t s WORD_BOUNDARY h a p ə n d WORD_BOUNDARY t ə WORD_BOUNDARY h ɪ m 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 m WORD_BOUNDARY