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