-ana aaaa aaab aaan aaas aaba aabb aana aang aasa aass abaa abab abag aban abas abb- abba abbb abbs abs- absa abss agag agan agas agba agga agna agns agsa agsg ana- anaa anab anag anan anas anba anbb ang- anga angs anna annb anns ansa asaa asab asag asan asas asba assa assn asss baaa baan baas baba babb babs baga bagg bagn bags bana bang bann bans basa bass bbas bbbb bbbs bbga bbng bgan bggs bnas bnss bsaa bsas bsgs bsns gaas gaba gabb gabs gaga gagg gags gana gang gann gans gasa gasb gass gbag gban gbas gbbs gggg ggss gnaa gnas gsab naaa naab naag naan naas naba nabs naga nags nan- nana nanb nang nann nans nas- nasa nasb nass nbaa nbas ngab ngan ngas ngns ngsn nngn nnnn nnsa nnss nsaa nsna nssa nssb nsss saab saag saan saas saba sabb sabs saga sagg sags sana sang sann sans sasa sass sbaa sbas sbbs sbsa sgaa sggg sggs sgss snab snag snas snba snns ssaa ssab ssan ssas ssbn ssgs ssns sssa sssb ssss