what's happening here
what happen here
pro:int part adv
what's happening here ?
w ʌ t s WORD_BOUNDARY h æ p ə n ɪ ŋ WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY
w h a t ' s WORD_BOUNDARY h a p p e n i n g WORD_BOUNDARY h e r e WORD_BOUNDARY