isn't it isn't it
be it be it
cop pro:per cop pro:per
isn't it isn't it .
ɪ z ə n t WORD_BOUNDARY ɪ ɾ WORD_BOUNDARY ɪ z ə n t WORD_BOUNDARY ɪ t WORD_BOUNDARY
i s n ' t WORD_BOUNDARY i t WORD_BOUNDARY i s n ' t WORD_BOUNDARY i t WORD_BOUNDARY