B:	Well, I don't , I don't really think that they they should be, it should be mandatory.
b iː WORD_BOUNDARY w ɛ l WORD_BOUNDARY aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY aɪ WORD_BOUNDARY d oʊ n t WORD_BOUNDARY ɹ iə l i WORD_BOUNDARY θ ɪ ŋ k WORD_BOUNDARY ð æ t WORD_BOUNDARY ð eɪ WORD_BOUNDARY ð eɪ WORD_BOUNDARY ʃ ʊ d WORD_BOUNDARY b iː WORD_BOUNDARY ɪ t WORD_BOUNDARY ʃ ʊ d WORD_BOUNDARY b iː WORD_BOUNDARY m æ n d ə t ɔ ɹ i WORD_BOUNDARY