äusserst interessant hier
äusserst interessant hier .
 ɔ ʏ s ɐ s t WORD_BOUNDARY  ɪ n t ə ʀ ɛ s a n t WORD_BOUNDARY h iː ɐ WORD_BOUNDARY
ä u s s e r s t WORD_BOUNDARY i n t e r e s s a n t WORD_BOUNDARY h i e r WORD_BOUNDARY