-ana a-ha aaaa aaab aaac aaad aaah aaal aaan aaba aabb aabc aabd aabh aabl aaca aacb aacc aacd aach aacl aacn aada aadc aaha aahl aala aalc aald aall aana aand abaa abab abac abad abal aban abb- abba abbb abca abcb abcc abcd abch abcl abcn abda abha abla acaa acab acac acad acan acba acbl acca accc accd acch acda acdb acdc acha achh achl acla aclc adaa adab adac adad adah adal adan adba adbc adcc adda addc addd addl addn adha adhd adhn adna ahab ahac ahad ahah ahal ahdl ahha ahla alaa alac alad alal alan alb- alba albc alca alcc ald- alda aldl alha all- alla allh alll alln alna ana- anaa anab anac anad anah anal anan anba anbb anbl anca ancc and- anda andh andl anha anla anlc anln anna annb baaa baad baah baal baan baba babb bac- baca bacc bach bacn bada badb badd badh baha bahl bahn bala balc bald ball bana banc band banh bann bbad bbbb bbch bbdd bblb bcaa bcbc bcca bccc bccl bcda bchd bdbc bddc bddh bdna bhan bhca bhcc bhdl blaa blab blac blad blah blan bldc c-cd caaa caab caac caah caal caan caba cac- caca cacc cach cada cadc cadd caha cahl cahn cala calc cald call cana canc cand canh cann cbac cbal cbbc cbca cbcc cbcl cbcn cbdb cbdc cbdn cbha cbhl cblb cblc cbln cbna cbnd ccaa ccab ccac ccad ccba ccbc ccbn ccca cccb cccc cccl ccdc ccdh ccdn ccha cchl ccla cclc ccna ccnb ccnc cdaa cdac cdad cdba cdda cddb cddl cdna cdnb cdnc chaa chab chac chad chah chal chan chca chch chha chlc chln chnb chnc chnl clab clad clan clcd cldc cnaa cnac cnbc cnbl cnda cndd cnna d-na daab daad daal daan daba dabb daca dada daha dahl dahn dala dall dana dand danl dann dbcc dbnl dcbc dcca dccb dccc dccl dcdb dddd ddlc dhaa dhad dhal dhan dlab dlbd dlha dnaa dnab dnac dnad dnah dnan haab haad haal haan haba hada hadh hadl haha hahn hal- hala halb hald hall hana hanc hand hann hbcd hcbc hcca hccb hccc hcch hdca hdda hhaa hhcl hhhh hhla hlah hndd hnna laaa laac laad laal laan laba laca lacc lach lacl lada ladd laha lahn lala lald lall lan- lana lanc land lann lbcc lcac lcad lcbc lcca lccc lcdd lchc ldha lhhh llan llcc lldb lldc lllc llll lndn naaa naab naac naad naal naan naba nabc nabl naca nacc nacd nach nacl nada nadc nadh naha nahl nala nalc nald nall nan- nana nanb nand nann nbaa nbad nbbc nbca nbcc nbhd ncaa ncac ncba ncbc ncca nccc nccn ncda ncdc ncdn ncha nchc nchd nclc ncln ncna ncnc ncnd ndaa ndcc nddb ndna nhcc nhhl nhla nhnn nlab nlcc nndb nnnn