B:	They allow it under certain circumstances.
b iː WORD_BOUNDARY ð eɪ WORD_BOUNDARY ʌ l aʊ WORD_BOUNDARY ɪ t WORD_BOUNDARY ʌ n d ə ɹ WORD_BOUNDARY s ɜː t ə n WORD_BOUNDARY s ɜː k ə m s t æ n s ɪ z WORD_BOUNDARY