B:	that's, that's a, that's a tricky one.
b iː WORD_BOUNDARY ð æ t s WORD_BOUNDARY ð æ t s WORD_BOUNDARY ʌ WORD_BOUNDARY ð æ t s WORD_BOUNDARY ʌ WORD_BOUNDARY t ɹ ɪ k i WORD_BOUNDARY w ʌ n WORD_BOUNDARY