look it he didn't
look he do
v pro:sub mod
look it he didn't .
l ʊ k WORD_BOUNDARY ɪ t WORD_BOUNDARY h iː WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY
l o o k WORD_BOUNDARY i t WORD_BOUNDARY h e WORD_BOUNDARY d i d n ' t WORD_BOUNDARY