das 's ja schwierig
das 's ja schwierig .
d a s WORD_BOUNDARY  ɛ s WORD_BOUNDARY j aː WORD_BOUNDARY ʃ v iː ʀ ɪ ç WORD_BOUNDARY
d a s WORD_BOUNDARY ' s WORD_BOUNDARY j a WORD_BOUNDARY s c h w i e r i g WORD_BOUNDARY