let's open some windows
let open some window
v v qn n
let's open some windows .
l ɛ t s WORD_BOUNDARY oʊ p ə n WORD_BOUNDARY s ʌ m WORD_BOUNDARY w ɪ n d oʊ z WORD_BOUNDARY
l e t ' s WORD_BOUNDARY o p e n WORD_BOUNDARY s o m e WORD_BOUNDARY w i n d o w s WORD_BOUNDARY