immer rauf und runter
immer rauf und runter .
 ɪ m ɐ WORD_BOUNDARY ʀ aʊ f WORD_BOUNDARY  ʊ n t WORD_BOUNDARY ʀ ʊ n t ɐ WORD_BOUNDARY
i m m e r WORD_BOUNDARY r a u f WORD_BOUNDARY u n d WORD_BOUNDARY r u n t e r WORD_BOUNDARY