aha darf er das
aha dürfen er das
on mod pro:per pro
aha darf er das ?
 aː aː WORD_BOUNDARY d a ɐ f WORD_BOUNDARY  ɛ ɐ WORD_BOUNDARY d a s WORD_BOUNDARY
a h a WORD_BOUNDARY d a r f WORD_BOUNDARY e r WORD_BOUNDARY d a s WORD_BOUNDARY