where did he walk
where do he walk
pro:int mod pro:sub v
where did he walk ?
w ɛ ɹ WORD_BOUNDARY d ɪ d WORD_BOUNDARY h iː WORD_BOUNDARY w ɔː k WORD_BOUNDARY
w h e r e WORD_BOUNDARY d i d WORD_BOUNDARY h e WORD_BOUNDARY w a l k WORD_BOUNDARY