was bist du denn
was sein du denn
pro:int cop pro:per adv
was bist du denn ?
v a s WORD_BOUNDARY b ɪ s t WORD_BOUNDARY d uː WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w a s WORD_BOUNDARY b i s t WORD_BOUNDARY d u WORD_BOUNDARY d e n n WORD_BOUNDARY