wo ist denn dein Buch
wo ist denn dein buch ?
v oː WORD_BOUNDARY  ɪ s t WORD_BOUNDARY d ɛ n WORD_BOUNDARY d aɪ n WORD_BOUNDARY b uː x WORD_BOUNDARY
w o WORD_BOUNDARY i s t WORD_BOUNDARY d e n n WORD_BOUNDARY d e i n WORD_BOUNDARY b u c h WORD_BOUNDARY