was hast denn gebacken
was hast denn gebacken ?
v a s WORD_BOUNDARY h a s t WORD_BOUNDARY d ɛ n WORD_BOUNDARY ɡ ə b a k ə n WORD_BOUNDARY
w a s WORD_BOUNDARY h a s t WORD_BOUNDARY d e n n WORD_BOUNDARY g e b a c k e n WORD_BOUNDARY