what is he doing
what be he do
pro:int cop pro:sub part
what is he doing .
w ʌ t WORD_BOUNDARY ɪ z WORD_BOUNDARY h iː WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
w h a t WORD_BOUNDARY i s WORD_BOUNDARY h e WORD_BOUNDARY d o i n g WORD_BOUNDARY