did he say something
did he say something ?
d ɪ d WORD_BOUNDARY h iː WORD_BOUNDARY s eɪ WORD_BOUNDARY s ʌ m θ ɪ ŋ WORD_BOUNDARY
d i d WORD_BOUNDARY h e WORD_BOUNDARY s a y WORD_BOUNDARY s o m e t h i n g WORD_BOUNDARY