was hörst du denn
was hören du denn
was hörst du denn ?
v a s WORD_BOUNDARY h øː ɾ s t WORD_BOUNDARY d uː WORD_BOUNDARY d ɛ n WORD_BOUNDARY
w a s WORD_BOUNDARY h ö r s t WORD_BOUNDARY d u WORD_BOUNDARY d e n n WORD_BOUNDARY