I don't think you can
I do think you can
pro:sub mod v pro:per mod
i don't think you can.
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY j uː WORD_BOUNDARY k æ n WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY t h i n k WORD_BOUNDARY y o u WORD_BOUNDARY c a n . WORD_BOUNDARY