we're building a rocket
we build a rocket
pro:sub part det:art n
we're building a rocket .
w ɪ ɹ WORD_BOUNDARY b ɪ l d ɪ ŋ WORD_BOUNDARY ɐ WORD_BOUNDARY ɹ ɑː k ɪ t WORD_BOUNDARY
w e ' r e WORD_BOUNDARY b u i l d i n g WORD_BOUNDARY a WORD_BOUNDARY r o c k e t WORD_BOUNDARY