ach_so und was bist du
ach so und was bist du ?
 a x WORD_BOUNDARY z oː WORD_BOUNDARY  ʊ n t WORD_BOUNDARY v a s WORD_BOUNDARY b ɪ s t WORD_BOUNDARY d uː WORD_BOUNDARY
a c h WORD_BOUNDARY s o WORD_BOUNDARY u n d WORD_BOUNDARY w a s WORD_BOUNDARY b i s t WORD_BOUNDARY d u WORD_BOUNDARY