about what he's doing
about what he do
prep pro:int pro:sub part
about what he's doing .
ɐ b aʊ t WORD_BOUNDARY w ʌ t WORD_BOUNDARY h iː z WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
a b o u t WORD_BOUNDARY w h a t WORD_BOUNDARY h e ' s WORD_BOUNDARY d o i n g WORD_BOUNDARY