-ana aaaa aaac aaaf aaan aaca aacc aacf aacn aafa aafc aaff aana aang acaa acac acag acan acca accc accf acfc acga afaa afan afca afcc affa affc afgf agac agag agan agca agcc agfa agga agna ana- anaa anac anag anan anca ancc anfa ang- anga anna caaa caac caaf caan cac- caca cacc cafa cafc caff caga cagg cagn cana canc cang cann ccaa ccac ccaf ccag ccca cccc cccf ccfa ccfc ccff ccga ccgc ccna ccnc ccnf cfaa cfac cfca cfcf cfcn cfgn cgac cgcc cgcg cgfc cnaa cnac cnag cnfa cnna faaa faac faan faca facc fafa fafc faff fafg fagg fana fanc fang fcca fccf ffcc ffff fnac gafa gafc gaff gaga gagg gana ganc gang gann gc-c gcaa gccc gccf gcfc gcna gfcf gffa ggfg gggg gnaa gnac gncc gngc naaa naac naag naan naca nacc nacf nafa nafc naff naga nagc nan- nana nang nann ncaa ncac ncca nccc nccf nccn ncfc ncga ncna ncnc nfaa nfff ngac ngan nngn nnnn