a-ak aaaa aaac aaad aaal aaas aaca aacc aacd aack aacl aacs aada aadc aads aaka aala aalc aald aall aals aasa aasc aasd aass acaa acac acad acas acca accc accd accs acda acdc acds ackd acks acla aclc acls acsa acsc acsd acsl acss adaa adac adad adak adal adas adcc adcs adda addc addd addl adds adls adsa adsl adss akaa akal akas akca akka aksa alaa alac alad alak alal alas alca alcc alcs ald- alda aldl alds alk- alka alkd all- alla alll alls alsa alsc asaa asac asad asak asal asas asc- asca ascc ascl asda asdl asds aska asks asla assa assc assd assk assl asss c-cd caaa caac caal caas cac- caca cacc cack cada cadc cadd cads caka cala calc cald calk call cals casa casc casd cask casl cass ccaa ccac ccad ccas ccca cccc cccl cccs ccdc ccds ccla cclc ccls ccsa ccsd ccsl ccss cdaa cdac cdad cdcs cdda cddl cdls cdss ckac ckck ckcl ckcs cksa cksl clad clas clcd cldc clsa clsc csaa csac csak csas cscc cscd cscl cscs csda cska csks csla csld cssa cssd daad daal daas daca dacs dada dads daka daks dala dalk dall dals dasa dasc dasd dask dasl dass dcas dcca dccc dccl dccs dcds dcls dcsc dcss dddd ddlc ddss dkdc dlcs dsac dscc dscs dsda dsls dssa dssc kaaa kaak kaal kaas kacc kacd kacl kacs kad- kada kadd kadl kads kaka kakc kakk kaks kala kalc kald kalk kall kals kas- kasa kasc kask kasl kass kcaa kcac kcad kcal kcas kcca kccc kccd kcck kccl kcda kcdc kcdd kcds kckc kckk kckl kcla kclc kclk kcll kcls kcsa kcsc kcsd kcss kdaa kdac kdad kdak kdal kdca kdcc kdcd kddc kddd kddk kddl kdka kdkd kdkk kdla kdlc kdld kdll kdls kdsc kdsd kdsk kdsl kdss kkaa kkac kkal kkcd kkck kkcl kkcs kkda kkdc kkdd kkdl kkkk kklc kkld kkll kkls kksa kksd kkss klaa klac klad klak klal klas klca klcc klcd klck klcl klcs kldc kldd klds klka klkc klkk klkl klks klla kllc kllk klls klsa klsc klsd ksac ksak ksal ksas ksca ksck kscl kscs ksdc ksdk ksdl ksds kska kskd kskk ksks ksla kslc ksld kslk ksll kssa kssl ksss laaa laac laad laak laal laas laca lacc lack lacl lacs lada ladd lads laka laks lala lald lall lasa lasd lask lass lcac lcad lcca lccc lccs lcdd lcds lcls lcsc lcsd ldls lkal llcc llcs lldc llds llks lllc llll lscs lsds lsla lssa sa-c saac saad saak saal saas saca sacc sacd sack sacs sada sadc sadd sadl sads saka sakk saks sala salc sald salk sall sals sasa sasc sasd sask sasl sass scaa scac scad scak scal scas sccc sccl sccs scda scdc scds sck- sckl scl- sclc sclk scls scsa scsc scsd scsl sdak sdcc sddc sdds sdla sdlc sdls sdsc sdsl sdss skac skad skal sksd skss slaa slac slad slak slas slcc slcd slds slsa slsc ssaa ssac ssas ssca sscc sscs ssdc ssdd ssla sslc sssa sssc ssss