stop mumbling Tony
stop mumble Tony
n part n:prop
stop mumbling tony.
s t ɑ p WORD_BOUNDARY m ʌ m b l ɪ ŋ WORD_BOUNDARY t oʊ n i WORD_BOUNDARY
s t o p WORD_BOUNDARY m u m b l i n g WORD_BOUNDARY t o n y . WORD_BOUNDARY