which ones are left
which one be leave
pro:int n aux part
which ones are left?
w ɪ t̠ʃ WORD_BOUNDARY w ʌ n z WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY l ɛ f t WORD_BOUNDARY
w h i c h WORD_BOUNDARY o n e s WORD_BOUNDARY a r e WORD_BOUNDARY l e f t ? WORD_BOUNDARY