-ana a-ha aaaa aaab aaac aaah aaal aaan aaba aabb aabc aabh aabl aaca aacb aacc aach aacl aacn aaha aahl aala aalc aall aana abaa abab abac abal aban abb- abba abbb abca abcb abcc abch abcl abcn abha abla acaa acab acac acan acba acbl acca accc acch acha achh achl acla aclc ahab ahac ahah ahal ahha ahla alaa alac alal alan alb- alba albc alca alcc alha all- alla allh alll alln alna ana- anaa anab anac anah anal anan anba anbb anbl anca ancc anha anla anlc anln anna annb baaa baah baal baan baba babb bac- baca bacc bach bacn baha bahl bahn bala balc ball bana banc banh bann bbbb bbch bblb bcaa bcbc bcca bccc bccl bhan bhca bhcc blaa blab blac blah blan caaa caab caac caah caal caan caba cac- caca cacc cach caha cahl cahn cala calc call cana canc canh cann cbac cbal cbbc cbca cbcc cbcl cbcn cbha cbhl cblb cblc cbln cbna ccaa ccab ccac ccba ccbc ccbn ccca cccb cccc cccl ccha cchl ccla cclc ccna ccnb ccnc chaa chab chac chah chal chan chca chch chha chlc chln chnb chnc chnl clab clan cnaa cnac cnbc cnbl cnna haab haal haan haba haha hahn hal- hala halb hall hana hanc hann hcbc hcca hccb hccc hcch hhaa hhcl hhhh hhla hlah hnna laaa laac laal laan laba laca lacc lach lacl laha lahn lala lall lan- lana lanc lann lbcc lcac lcbc lcca lccc lchc lhhh llan llcc lllc llll naaa naab naac naal naan naba nabc nabl naca nacc nach nacl naha nahl nala nalc nall nan- nana nanb nann nbaa nbbc nbca nbcc ncaa ncac ncba ncbc ncca nccc nccn ncha nchc nclc ncln ncna ncnc nhcc nhhl nhla nhnn nlab nlcc nnnn