who he talking to
who he talk to
pro:int pro:sub part prep
who he talking to ?
h uː WORD_BOUNDARY h iː WORD_BOUNDARY t ɔː k ɪ ŋ WORD_BOUNDARY t uː WORD_BOUNDARY
w h o WORD_BOUNDARY h e WORD_BOUNDARY t a l k i n g WORD_BOUNDARY t o WORD_BOUNDARY