so mußte 's machen
so mußte 's machen .
z oː WORD_BOUNDARY m ʊ s t ə WORD_BOUNDARY  ɛ s WORD_BOUNDARY m a x ə n WORD_BOUNDARY
s o WORD_BOUNDARY m u ß t e WORD_BOUNDARY ' s WORD_BOUNDARY m a c h e n WORD_BOUNDARY