B:	It isn't, really, it's not really good for your knees.
b iː WORD_BOUNDARY ɪ t WORD_BOUNDARY ɪ z ə n t WORD_BOUNDARY ɹ iə l i WORD_BOUNDARY ɪ t s WORD_BOUNDARY n ɑ t WORD_BOUNDARY ɹ iə l i WORD_BOUNDARY ɡ ʊ d WORD_BOUNDARY f ɔ ɹ WORD_BOUNDARY j ʊ ɹ WORD_BOUNDARY n iː z WORD_BOUNDARY