der kaffee is fertig
der kaffee is fertig ?
d ɛ ɾ WORD_BOUNDARY k a f eː WORD_BOUNDARY  iː s WORD_BOUNDARY f ɛ ɾ t ɪ ç WORD_BOUNDARY
d e r WORD_BOUNDARY k a f f e e WORD_BOUNDARY i s WORD_BOUNDARY f e r t i g WORD_BOUNDARY