It is found in teeth, bones, and milk, as well as in the ground.
ɪ t WORD_BOUNDARY ɪ z WORD_BOUNDARY f aʊ n d WORD_BOUNDARY ɪ n WORD_BOUNDARY t iː θ WORD_BOUNDARY b oʊ n z WORD_BOUNDARY æ n d WORD_BOUNDARY m ɪ l k WORD_BOUNDARY æ z WORD_BOUNDARY w ɛ l WORD_BOUNDARY æ z WORD_BOUNDARY ɪ n ð ə WORD_BOUNDARY ɡ ɹ aʊ n d WORD_BOUNDARY