I stepped in it
I step in it
pro:sub v prep pro:per
i stepped in it .
aɪ WORD_BOUNDARY s t ɛ p t WORD_BOUNDARY ɪ n WORD_BOUNDARY ɪ t WORD_BOUNDARY
i WORD_BOUNDARY s t e p p e d WORD_BOUNDARY i n WORD_BOUNDARY i t WORD_BOUNDARY