-ana aaaa aaac aaaf aaan aaca aacc aacf aacn aaco aafa aafc aaff aana aang aaon aaoo acaa acac acag acan acca accc accf acco acfc acga acoa acog acon afaa afan afao afca afcc affa affc affo afgf afoa afog afoo ag-o agac agag agan agao agca agcc agco agfa agga agna agno agog agon agoo ana- anaa anac anag anan anao anca ancc anco anfa anfo ang- anga ango anna anno ano- anoa anon aoca aono caaa caac caaf caan cac- caca cacc caco cafa cafc caff caga cagg cagn cago cana canc cang cann cano ccaa ccac ccaf ccag ccca cccc cccf ccfa ccfc ccff ccga ccgc ccna ccnc ccnf ccoc cfaa cfac cfao cfca cfcf cfcn cfco cfgn cfgo cfoa cgac cgcc cgcg cgfc cnaa cnac cnag cnco cnfa cnna coag coan coca coco cofc coff cogo con- cona conc conf cong conn cono coof coon faaa faac faan faca facc fafa fafc faff fafg fafo fagg fago fana fanc fang fano faon fcca fccf ffcc ffff fnac foaf foan foca foco fofo fogg fogn fogo fong fono foof foon gafa gafc gaff gaga gagg gago gana ganc gang gann gano gaon gc-c gcaa gccc gccf gcfc gcna gcoa gfcf gffa gfoa ggfg gggg gnaa gnac gncc gngc gnof gnoo goaf goan goca goff goga gogo gon- gona gong gonn gono goof goog goon naaa naac naag naan naca nacc nacf naco nafa nafc naff nafo naga nagc nago nan- nana nang nann nano naoc ncaa ncac ncca nccc nccf nccn ncfc ncga ncna ncnc ncoa ncoc nfaa nfff nfon ngac ngan ngao ngon nngn nnnn noaa noac noco noga nogg nogo non- nona nong nonn nono noo- noon nooo oafc oafo ocac ocan occa occc occn ocfa ocga ocna ocon ofan off- offa offc offo ofgo ofna ofno ogna ogoa ogog ogon onan onc- onca oncf onco onga ongo onna onno onon ooaa ooff oona oooo