B:	the exams themselves are not expensive, it's the glasses.
b iː WORD_BOUNDARY ð ɪ WORD_BOUNDARY ɛ ɡ z æ m z WORD_BOUNDARY ð ɛ m s ɛ l v z WORD_BOUNDARY ɑ ɹ WORD_BOUNDARY n ɑ t WORD_BOUNDARY ɛ k s p ɛ n s ɪ v WORD_BOUNDARY ɪ t s WORD_BOUNDARY ð ə WORD_BOUNDARY ɡ l æ s ɪ z WORD_BOUNDARY