ach du bist ja doof
ach du bist ja doof .
 a x WORD_BOUNDARY d uː WORD_BOUNDARY b ɪ s t WORD_BOUNDARY j aː WORD_BOUNDARY d oː f WORD_BOUNDARY
a c h WORD_BOUNDARY d u WORD_BOUNDARY b i s t WORD_BOUNDARY j a WORD_BOUNDARY d o o f WORD_BOUNDARY