you don't know who to write to
you do know who to write to
pro:per mod v pro:int inf v prep
you don't know who to write to ?
j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY n oʊ WORD_BOUNDARY h uː WORD_BOUNDARY t ə WORD_BOUNDARY ɹ aɪ t WORD_BOUNDARY t uː WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY k n o w WORD_BOUNDARY w h o WORD_BOUNDARY t o WORD_BOUNDARY w r i t e WORD_BOUNDARY t o WORD_BOUNDARY