zumachen tus' du des
zumachen tus' du des ?
ts uː m a x ə n WORD_BOUNDARY t ʊ s WORD_BOUNDARY d uː WORD_BOUNDARY d ɛ s WORD_BOUNDARY
z u m a c h e n WORD_BOUNDARY t u s ' WORD_BOUNDARY d u WORD_BOUNDARY d e s WORD_BOUNDARY