was hat er denn
was haben er denn
pro v pro:per adv
was hat er denn ?
v a s WORD_BOUNDARY h a t WORD_BOUNDARY  ɛ ɐ WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w a s WORD_BOUNDARY h a t WORD_BOUNDARY e r WORD_BOUNDARY d e n n WORD_BOUNDARY