-ana -ane -ase -ene a-be aaaa aaab aaae aaaf aaan aaas aaba aabb aaea aaen aaes aafa aafb aaff aana aane aasa aase aasf aass abaa abab abae abaf aban abas abb- abba abbb abbe abbs abee aben abes abff abs- absa abse absf abss aeaf aean aeas aebn aebs aena aess afaa afan afbs afee afes affa affs afsa afsb ana- anaa anab anae anan anas anba anbb anee anen anes anfa anna annb anne anns ansa anse ansf asaa asab asae asaf asan asas asba asea asee asen ases asfa asne assa asse assn asss baaa baaf baan baas baba babb babe babs baes baff bana bane bann bans basa base basf bass bbas bbbb bbbs bbeb bbfn beaf bean beas beba bebb bebe beeb beef been bees befa befe beff bena bene benn bens bes- besa bese bess bfas bffs bnas bnss bsaa bsas bsea bseb bsee bses bsfa bsff bsfs bsns bsse eaaf eaba eafb eana eans easa ease eban ebba ebbs eben ebes ebsa eeea eeee eees eefa eefe eefn eena eens eese efab efas efen efes effa effs efsa enab enan enas enb- enbn enea enee enes enfb enna enne enns ensa ense esab esan esas esba esbs esea esee esen eses esfs esna esne essa esse faaa faan faas faba fabe fabs faeb faes fafa fafe faff fana fane fans fasa fase fasn fass feaf fean feas feba febs feeb feen fees fefe feff fena fene fenn fens fesa fese fess ffee ffff ffsa ffss fsas fssa fssf naaa naab naan naas naba nabe nabf nabs naea naef naes nafa nafe naff nafs nan- nana nanb nane nann nans nas- nasa nasb nase nasf nass nbaa nbaf nbas nbfa neab neaf nean neas neba nebb nebe nebn nebs neea neeb neef neen nees nefa nefe neff nefs nena nene nens nesa nesb nese nesn ness nfaa nfas nfff nnes nnnn nnsa nnss nsaa nseb nsfs nsna nssa nssb nsse nssf nsss saab saae saaf saan saas saba sabb sabe sabs saeb saen saes safa safb safe saff sana sane sann sans sasa sase sasf sass sbaa sbas sbbs sbef sbsa sbse se-e se-f se-n se-s seaa seab seaf sean seas seba sebe sebs seea seeb seef seen sees sefa seff sena sene senn sens sesa sese sess sfas sfba sfnb sfne sfss snab snas snba sneb snee snes snns ssaa ssab ssan ssas ssbn ssee sses ssns sssa sssb sssf ssss