wie alt bist du denn
wie alt bist du denn ?
v iː WORD_BOUNDARY  a l t WORD_BOUNDARY b ɪ s t WORD_BOUNDARY d uː WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w i e WORD_BOUNDARY a l t WORD_BOUNDARY b i s t WORD_BOUNDARY d u WORD_BOUNDARY d e n n WORD_BOUNDARY