das is doch ein buch
das is doch ein buch .
d a s WORD_BOUNDARY  iː s WORD_BOUNDARY d ɔ x WORD_BOUNDARY  aɪ n WORD_BOUNDARY b uː x WORD_BOUNDARY
d a s WORD_BOUNDARY i s WORD_BOUNDARY d o c h WORD_BOUNDARY e i n WORD_BOUNDARY b u c h WORD_BOUNDARY