B:	I, they didn't, they did not define it,
b iː WORD_BOUNDARY aɪ WORD_BOUNDARY ð eɪ WORD_BOUNDARY d ɪ d n t WORD_BOUNDARY ð eɪ WORD_BOUNDARY d ɪ d n ɑ t WORD_BOUNDARY d ɪ f aɪ n WORD_BOUNDARY ɪ t WORD_BOUNDARY