what what he is doing
what what he is doing ?
w ʌ t WORD_BOUNDARY w ʌ t WORD_BOUNDARY h iː WORD_BOUNDARY ɪ z WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
w h a t WORD_BOUNDARY w h a t WORD_BOUNDARY h e WORD_BOUNDARY i s WORD_BOUNDARY d o i n g WORD_BOUNDARY