der isst Kekse ne
der essen Keks ne
pro v n on
der isst kekse ne ?
d ɛ ɐ WORD_BOUNDARY  ɪ s t WORD_BOUNDARY k ɛ k z ə WORD_BOUNDARY n eː WORD_BOUNDARY
d e r WORD_BOUNDARY i s s t WORD_BOUNDARY k e k s e WORD_BOUNDARY n e WORD_BOUNDARY