I'm assuming it is
i'm assuming it is .
aɪ m WORD_BOUNDARY ɐ s uː m ɪ ŋ WORD_BOUNDARY ɪ ɾ WORD_BOUNDARY ɪ z WORD_BOUNDARY
i ' m WORD_BOUNDARY a s s u m i n g WORD_BOUNDARY i t WORD_BOUNDARY i s WORD_BOUNDARY