was darf ich denn kaufen
was dürfen ich denn kaufen
pro mod pro:per adv v
was darf ich denn kaufen ?
v a s WORD_BOUNDARY d a ɾ f WORD_BOUNDARY  ɪ ç WORD_BOUNDARY d ɛ n WORD_BOUNDARY k aʊ f ə n WORD_BOUNDARY
w a s WORD_BOUNDARY d a r f WORD_BOUNDARY i c h WORD_BOUNDARY d e n n WORD_BOUNDARY k a u f e n WORD_BOUNDARY