Kerstin hat A+A gemacht
kerstin hat a a gemacht .
k ɛ ɐ s t ɪ n WORD_BOUNDARY h a t WORD_BOUNDARY  aː WORD_BOUNDARY  aː WORD_BOUNDARY ɡ ə m a x t WORD_BOUNDARY
k e r s t i n WORD_BOUNDARY h a t WORD_BOUNDARY a WORD_BOUNDARY a WORD_BOUNDARY g e m a c h t WORD_BOUNDARY