B:	I've never quite understood the purpose of that.
b iː WORD_BOUNDARY aɪ v WORD_BOUNDARY n ɛ v ə ɹ WORD_BOUNDARY k w aɪ t WORD_BOUNDARY ʌ n d ə ɹ s t ʊ d WORD_BOUNDARY ð ə WORD_BOUNDARY p ɜː p ə s WORD_BOUNDARY ʌ v WORD_BOUNDARY ð æ t WORD_BOUNDARY