da muß n Extraknopf da sein
da muß n extraknopf da sein .
d ɑː WORD_BOUNDARY m uː s WORD_BOUNDARY  ɛ n WORD_BOUNDARY  ɛ k s t ɾ a k n ɔ p f WORD_BOUNDARY d ɑː WORD_BOUNDARY z aɪ n WORD_BOUNDARY
d a WORD_BOUNDARY m u ß WORD_BOUNDARY n WORD_BOUNDARY e x t r a k n o p f WORD_BOUNDARY d a WORD_BOUNDARY s e i n WORD_BOUNDARY