was willst du essen
was wollen du essen
pro mod pro:per v
was willst du essen ?
v a s WORD_BOUNDARY v ɪ l s t WORD_BOUNDARY d uː WORD_BOUNDARY  ɛ s ə n WORD_BOUNDARY
w a s WORD_BOUNDARY w i l l s t WORD_BOUNDARY d u WORD_BOUNDARY e s s e n WORD_BOUNDARY