um viertel vor eins
um viertel vor eins .
 ʊ m WORD_BOUNDARY f iː ɐ t ə l WORD_BOUNDARY f ɔ ɐ WORD_BOUNDARY  aɪ n s WORD_BOUNDARY
u m WORD_BOUNDARY v i e r t e l WORD_BOUNDARY v o r WORD_BOUNDARY e i n s WORD_BOUNDARY