did he finish it
do he finish it
mod pro:sub v pro:per
did he finish it ?
d ɪ d WORD_BOUNDARY h iː WORD_BOUNDARY f ɪ n ɪ ʃ WORD_BOUNDARY ɪ t WORD_BOUNDARY
d i d WORD_BOUNDARY h e WORD_BOUNDARY f i n i s h WORD_BOUNDARY i t WORD_BOUNDARY