da müssen wir erst
da müssen wir erst .
d ɑː WORD_BOUNDARY m y s ə n WORD_BOUNDARY v iː ɾ WORD_BOUNDARY  eː ɾ s t WORD_BOUNDARY
d a WORD_BOUNDARY m ü s s e n WORD_BOUNDARY w i r WORD_BOUNDARY e r s t WORD_BOUNDARY