B:	when they start to crawl they try to climb up on things
b iː WORD_BOUNDARY w ɛ n WORD_BOUNDARY ð eɪ WORD_BOUNDARY s t ɑ ɹ t WORD_BOUNDARY t ə WORD_BOUNDARY k ɹ ɔ l WORD_BOUNDARY ð eɪ WORD_BOUNDARY t ɹ aɪ WORD_BOUNDARY t ə WORD_BOUNDARY k l aɪ m WORD_BOUNDARY ʌ p WORD_BOUNDARY ɔ n WORD_BOUNDARY θ ɪ ŋ z WORD_BOUNDARY