mal 's Fenster auf
mal 's fenster auf !
m aː l WORD_BOUNDARY  ɛ s WORD_BOUNDARY f ɛ n s t ɐ WORD_BOUNDARY  aʊ f WORD_BOUNDARY
m a l WORD_BOUNDARY ' s WORD_BOUNDARY f e n s t e r WORD_BOUNDARY a u f WORD_BOUNDARY