I'm assuming it is
i'm assuming it is.
aɪ m WORD_BOUNDARY ʌ s uː m ɪ ŋ WORD_BOUNDARY ɪ t 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