-ase a-ak a-be aaaa aaab aaae aaas aaba aabb aaea aaes aage aaka aake aasa aase aass abaa abab abae abag abak abas abb- abba abbb abbe abbs abee abes abs- absa abse abss aeas aebs aega aeka aess agag agas agba agea agee ages agga agge agsa agsg akaa akae akas akee akeg akes akka aksa asaa asab asae asag asak asas asba asea asee asek ases asge aska aske asks assa asse assk asss baaa baak baas baba babb babe babs baek baes baga bage bagg bags bak- baka bake baks basa base bask bass bbas bbbb bbbs bbeb bbga beag beak beas beba bebb bebe beeb beeg beek bees bega begg begs beka beke beks bes- besa bese besk bess bggs bsaa bsas bsea bseb bsee bseg bses bsgs bsse eaba eaga eage easa ease ebba ebbs ebes ebsa eeea eeee eees eega eegs eeka eeke eeks eese eesk egaa egae egas egba egbe egea egee eggb egge eggs egks egss eka- ekab ekeb ekek ekes ekgs ekka esab esag esas esba esbs esea esee esek eses eska eske esks essa esse essg gaas gaba gabb gabe gabs gaea gaes gaga gage gagg gags gasa gasb gase gask gass gbag gbas gbbs geab geas geba gebe geek gees gege gegg gesg gesk gess gggg ggss gsab gsea gskb gsse kaaa kaab kaag kaak kaas kaba kabb kabe kabg kaes kag- kaga kagb kage kagg kags kaka kake kakk kaks kas- kasa kasb kase kask kass kbaa kbab kbae kbak kbas kbba kbbb kbbe kbbg kbbk kbbs kbeb kbee kbek kbes kbga kbgb kbge kbgg kbkb kbkg kbkk kbsa kbsb kbsg kbsk kbss kea- keag keak keas keba kebb kebe keek kees kega kege kegg kegk kegs keka kekb keke keks kesa kesb kesk kess kgab kgak kgas kgba kgbb kgeb kgga kggg kgks kkaa kkag kkba kkbb kkbe kkbg kkbs kkea kkeg kkgb kkkk kksa kkse kkss ksab ksak ksas ksba ksbs ksea ksee kseg ksek ksgg kska kskb kske kskg kskk ksks kssa ksse ksss saab saae saag saak saas saba sabb sabe sabs saeb saek saes saga sage sagg sags saka sakb sake sakk saks sasa sase sask sass sbaa sbas sbbs sbsa sbse se-e se-g se-k se-s seaa seab seak seas seba sebe sebs seea seeb seeg seek sees sega sege segg segs seka seke sekk sesa sese sess sgaa sges sggg sggs sgss skab skag skee skeg skes skss ssaa ssab ssas ssee sses ssgs sssa sssb ssss