B:	both my sons play string instruments.
b iː WORD_BOUNDARY b oʊ θ WORD_BOUNDARY m aɪ WORD_BOUNDARY s ʌ n z WORD_BOUNDARY p l eɪ WORD_BOUNDARY s t ɹ ɪ ŋ WORD_BOUNDARY ɪ n s t ɹ ə m ə n t s WORD_BOUNDARY