báda a badá a badá
báda a badá a badá .
β a d a WORD_BOUNDARY a WORD_BOUNDARY β a d a WORD_BOUNDARY a WORD_BOUNDARY β a d a WORD_BOUNDARY
b á d a WORD_BOUNDARY a WORD_BOUNDARY b a d á WORD_BOUNDARY a WORD_BOUNDARY b a d á WORD_BOUNDARY . WORD_BOUNDARY