was isst er denn da
was essen er denn da
pro v pro:per adv adv
was isst er denn da ?
v a s WORD_BOUNDARY  ɪ s t WORD_BOUNDARY  ɛ ɾ WORD_BOUNDARY d ɛ n WORD_BOUNDARY d ɑː WORD_BOUNDARY
w a s WORD_BOUNDARY i s s t WORD_BOUNDARY e r WORD_BOUNDARY d e n n WORD_BOUNDARY d a WORD_BOUNDARY