I'm sorry didn't hear you
I sorry do hear you
pro:sub adj mod v pro:per
i'm sorry didn't hear you .
aɪ m WORD_BOUNDARY s ɑː ɹ i WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY j uː WORD_BOUNDARY
i ' m WORD_BOUNDARY s o r r y WORD_BOUNDARY d i d n ' t WORD_BOUNDARY h e a r WORD_BOUNDARY y o u WORD_BOUNDARY