ach was mach' denn die
ach was mach' denn die ?
 a x WORD_BOUNDARY v a s WORD_BOUNDARY m a x WORD_BOUNDARY d ɛ n WORD_BOUNDARY d iː WORD_BOUNDARY
a c h WORD_BOUNDARY w a s WORD_BOUNDARY m a c h ' WORD_BOUNDARY d e n n WORD_BOUNDARY d i e WORD_BOUNDARY