let's look in here
let look in here
v v prep n
let's look in here .
l ɛ t s WORD_BOUNDARY l ʊ k WORD_BOUNDARY ɪ n WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY
l e t ' s WORD_BOUNDARY l o o k WORD_BOUNDARY i n WORD_BOUNDARY h e r e WORD_BOUNDARY