it is isn't it
it be be it
pro:per cop cop pro:per
it is isn't it?
ɪ tʰ WORD_BOUNDARY ɪ z WORD_BOUNDARY ɪ z ə n tʰ WORD_BOUNDARY ɪ tʰ WORD_BOUNDARY
i t WORD_BOUNDARY i s WORD_BOUNDARY i s n ' t WORD_BOUNDARY i t ? WORD_BOUNDARY