I don't think it opens
I do think it open
pro:sub mod v pro:per v
i don't think it opens .
aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY ɪ ɾ WORD_BOUNDARY oʊ p ə n z WORD_BOUNDARY
i WORD_BOUNDARY d o n ' t WORD_BOUNDARY t h i n k WORD_BOUNDARY i t WORD_BOUNDARY o p e n s WORD_BOUNDARY