ach Schreck lass nach
ach schreck lass nach .
 a x WORD_BOUNDARY ʃ ʀ ɛ k WORD_BOUNDARY l a s WORD_BOUNDARY n aː x WORD_BOUNDARY
a c h WORD_BOUNDARY s c h r e c k WORD_BOUNDARY l a s s WORD_BOUNDARY n a c h WORD_BOUNDARY