they're smaller and they're smoother
they're smaller and they're smoother.
ð eɪ ə ɹ WORD_BOUNDARY s m ɔ l ə ɹ WORD_BOUNDARY æ n d WORD_BOUNDARY ð eɪ ə ɹ WORD_BOUNDARY s m uː ð ə ɹ WORD_BOUNDARY
t h e y ' r e WORD_BOUNDARY s m a l l e r WORD_BOUNDARY a n d WORD_BOUNDARY t h e y ' r e WORD_BOUNDARY s m o o t h e r . WORD_BOUNDARY