firefighter fighting a fire
firefighter fighting a fire.
f aɪ ə ɹ f aɪ t ə ɹ WORD_BOUNDARY f aɪ t ɪ ŋ WORD_BOUNDARY ʌ WORD_BOUNDARY f aɪ ə ɹ 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