was ist denn Maus
was sein denn Maus
pro cop adv n
was ist denn maus ?
v a s WORD_BOUNDARY  ɪ s t WORD_BOUNDARY d ɛ n WORD_BOUNDARY m aʊ s WORD_BOUNDARY
w a s WORD_BOUNDARY i s t WORD_BOUNDARY d e n n WORD_BOUNDARY m a u s WORD_BOUNDARY