look what I did
look what I do
v pro:int pro:sub v
look what i did !
l ʊ k WORD_BOUNDARY w ʌ t WORD_BOUNDARY aɪ WORD_BOUNDARY d ɪ d WORD_BOUNDARY
l o o k WORD_BOUNDARY w h a t WORD_BOUNDARY i WORD_BOUNDARY d i d WORD_BOUNDARY