let's go down here
let go down here
v v prep n
let's go down here !
l ɛ t s WORD_BOUNDARY ɡ oʊ WORD_BOUNDARY d aʊ n WORD_BOUNDARY h ɪ ɹ WORD_BOUNDARY
l e t ' s WORD_BOUNDARY g o WORD_BOUNDARY d o w n WORD_BOUNDARY h e r e WORD_BOUNDARY