you don't use hair+pins
you do use
pro:per mod v
you don't use hair pins .
j uː WORD_BOUNDARY d oʊ n t WORD_BOUNDARY j uː z WORD_BOUNDARY h ɛ ɹ WORD_BOUNDARY p ɪ n z WORD_BOUNDARY
y o u WORD_BOUNDARY d o n ' t WORD_BOUNDARY u s e WORD_BOUNDARY h a i r WORD_BOUNDARY p i n s WORD_BOUNDARY