I was looking up
I be look up
pro:sub aux part adv
i was looking up .
aɪ WORD_BOUNDARY w ʌ z WORD_BOUNDARY l ʊ k ɪ ŋ WORD_BOUNDARY ʌ p WORD_BOUNDARY
i WORD_BOUNDARY w a s WORD_BOUNDARY l o o k i n g WORD_BOUNDARY u p WORD_BOUNDARY