they don't make any noise
they do make any noise
pro:sub mod v qn n
they don't make any noise .
ð eɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY m eɪ k WORD_BOUNDARY ɛ n i WORD_BOUNDARY n ɔɪ z WORD_BOUNDARY
t h e y WORD_BOUNDARY d o n ' t WORD_BOUNDARY m a k e WORD_BOUNDARY a n y WORD_BOUNDARY n o i s e WORD_BOUNDARY