un du fährst ins rote
un du fährst ins rote ?
 ʊ n WORD_BOUNDARY d uː WORD_BOUNDARY f ɛː ɾ s t WORD_BOUNDARY  ɪ n s WORD_BOUNDARY r oː t ə WORD_BOUNDARY
u n WORD_BOUNDARY d u WORD_BOUNDARY f ä h r s t WORD_BOUNDARY i n s WORD_BOUNDARY r o t e WORD_BOUNDARY