darf er nicht br
darf er nicht br .
d a ɐ f WORD_BOUNDARY  ɛ ɐ WORD_BOUNDARY n ɪ ç t WORD_BOUNDARY b eː ɛ ɐ WORD_BOUNDARY
d a r f WORD_BOUNDARY e r WORD_BOUNDARY n i c h t WORD_BOUNDARY b r WORD_BOUNDARY