what are they doing
what are they doing ?
w ʌ t WORD_BOUNDARY ɑː ɹ WORD_BOUNDARY ð eɪ WORD_BOUNDARY d uː ɪ ŋ WORD_BOUNDARY
w h a t WORD_BOUNDARY a r e WORD_BOUNDARY t h e y WORD_BOUNDARY d o i n g WORD_BOUNDARY