-ase a-be aaaa aaab aaae aaas aaav aaba aabb aaea aaes aaev aasa aase aass aava abaa abab abae abas abb- abba abbb abbe abbs abee abes abs- absa abse abss abva aeas aebs aess aeva asaa asab asae asas asba asea asee ases assa asse asss asva asvs avab avas avea aves avva baaa baas baba babb babe babs baes basa base bass bava bave bbas bbbb bbbs bbeb beas beav beba bebb bebe beeb bees bes- besa bese bess bevs bsaa bsas bsea bseb bsee bses bsse eaba easa ease eave ebba ebbs ebes ebsa eeea eeee eees eese eeva esab esas esba esbs esea esee eses essa esse evae evas evea eves saab saae saas saba sabb sabe sabs saeb saes sasa sase sass sava save savs sbaa sbas sbbs sbsa sbse se-e se-s seaa seab seas seba sebe sebs seea seeb sees sesa sese sess seva seve ssaa ssab ssas ssee sses sssa sssb ssss svea vaas vabs vaes vas- vasa vase vass vava vavs veba vees vesa vese vess veve vsee vses vsse vvsb vvvv