was sind das denn
was sein das denn
pro cop pro adv
was sind das denn ?
v a s WORD_BOUNDARY z ɪ n t WORD_BOUNDARY d a s WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w a s WORD_BOUNDARY s i n d WORD_BOUNDARY d a s WORD_BOUNDARY d e n n WORD_BOUNDARY