what happened to the s
what happen to the s
pro:int v prep det:art n:let
what happened to the s ?
w ʌ t WORD_BOUNDARY h æ p ə n d WORD_BOUNDARY t ə WORD_BOUNDARY ð ɪ WORD_BOUNDARY ɛ s WORD_BOUNDARY
w h a t WORD_BOUNDARY h a p p e n e d WORD_BOUNDARY t o WORD_BOUNDARY t h e WORD_BOUNDARY s WORD_BOUNDARY