who is sitting here
who be sit here
pro:int aux part adv
who is sitting here ?
h uː WORD_BOUNDARY ɪ z WORD_BOUNDARY s ɪ ɾ ɪ ŋ WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY
w h o WORD_BOUNDARY i s WORD_BOUNDARY s i t t i n g WORD_BOUNDARY h e r e WORD_BOUNDARY