willst du mal aufmachen
willst du mal aufmachen ?
v ɪ l s t WORD_BOUNDARY d uː WORD_BOUNDARY m aː l WORD_BOUNDARY  aʊ f m a x ə n WORD_BOUNDARY
w i l l s t WORD_BOUNDARY d u WORD_BOUNDARY m a l WORD_BOUNDARY a u f m a c h e n WORD_BOUNDARY