was für einen Koffer
was für einen koffer ?
v a s WORD_BOUNDARY f yː ɐ WORD_BOUNDARY  aɪ n ə n WORD_BOUNDARY k ɔ f ɐ WORD_BOUNDARY
w a s WORD_BOUNDARY f ü r WORD_BOUNDARY e i n e n WORD_BOUNDARY k o f f e r WORD_BOUNDARY