was ist da so fest
was sein da so fest
pro cop adv adv adj
was ist da so fest ?
v a s WORD_BOUNDARY  ɪ s t WORD_BOUNDARY d aː WORD_BOUNDARY z oː WORD_BOUNDARY f ɛ s t WORD_BOUNDARY
w a s WORD_BOUNDARY i s t WORD_BOUNDARY d a WORD_BOUNDARY s o WORD_BOUNDARY f e s t WORD_BOUNDARY