das sind alte Kassetten
das sind alte kassetten .
d a s WORD_BOUNDARY z ɪ n t WORD_BOUNDARY  a l t ə WORD_BOUNDARY k a s ɛ t ə n WORD_BOUNDARY
d a s WORD_BOUNDARY s i n d WORD_BOUNDARY a l t e WORD_BOUNDARY k a s s e t t e n WORD_BOUNDARY