ach essen willst du den
ach essen wollen du den
on v mod pro:per pro
ach essen willst du den ?
 a x WORD_BOUNDARY  ɛ s ə n WORD_BOUNDARY v ɪ l s t WORD_BOUNDARY d uː WORD_BOUNDARY d eː n WORD_BOUNDARY
a c h WORD_BOUNDARY e s s e n WORD_BOUNDARY w i l l s t WORD_BOUNDARY d u WORD_BOUNDARY d e n WORD_BOUNDARY