B:	I was twenty-nine when I had my first child
b iː WORD_BOUNDARY aɪ WORD_BOUNDARY w ʌ z WORD_BOUNDARY t w ɛ n t i n aɪ n WORD_BOUNDARY w ɛ n WORD_BOUNDARY aɪ WORD_BOUNDARY h æ d WORD_BOUNDARY m aɪ WORD_BOUNDARY f ɜː s t WORD_BOUNDARY t̠ʃ aɪ l d WORD_BOUNDARY