if she'll let us
if she let us
conj pro:sub v pro:obj
if she'll let us .
ɪ f WORD_BOUNDARY ʃ iː l WORD_BOUNDARY l ɛ t WORD_BOUNDARY ʌ s WORD_BOUNDARY
i f WORD_BOUNDARY s h e ' l l WORD_BOUNDARY l e t WORD_BOUNDARY u s WORD_BOUNDARY