firefighter fighting a fire
firefighter fighting a fire .
f aɪ ɚ f aɪ ɾ ɚ WORD_BOUNDARY f aɪ ɾ ɪ ŋ WORD_BOUNDARY ɐ WORD_BOUNDARY f aɪ ɚ WORD_BOUNDARY
f i r e f i g h t e r WORD_BOUNDARY f i g h t i n g WORD_BOUNDARY a WORD_BOUNDARY f i r e WORD_BOUNDARY