a-ha aaaa aaac aaaf aaah aaal aaca aacc aacf aach aacl aafa aafc aaff aafl aaha aahl aala aalc aall acaa acac acca accc accf acch acfc acfl acha achh achl acla aclc afaa afca afcc afch affa affc afla aflc ahac ahah ahal ahfa ahha ahla alaa alac alal alca alcc alfa alha all- alla allh alll caaa caac caaf caah caal cac- caca cacc cach cafa cafc caff cafl caha cahl cala calc calf call ccaa ccac ccaf ccca cccc cccf cccl ccfa ccfc ccff ccfl ccha cchl ccla cclc cfaa cfac cfca cfcf cfcl chaa chac chaf chah chal chca chch chfa chfc chha chlc claf faaa faac faah faca facc fach fafa fafc faff faha fala falc fall fcal fcca fccf fcch ffcc ffff flac flcl haaf haal haff haha hal- hala half hall hcca hccc hcch hcfa hcfc hhaa hhcl hhhh hhla hlah laaa laac laal laca lacc lach lacl lafc laff laha lala lall lcac lcca lccc lcfc lchc lfca lfcc lhhh llcc lllc llll