aaaa aaac aaad aaar aaas aaca aacc aacd aacr aacs aada aadc aads aara aarc aard aars aasa aasc aasd aass acaa acac acad acar acas acca accc accd accs acda acdc acds acr- acra acrc acrr acrs acsa acsc acsd acss adaa adac adad adar adas adcc adcs adda addc addd addr adds adra adrs adsa adsr adss arac arad arar aras arc- arca arcs arda ardc ards arr- arra arrc arrr arrs ars- arsa arsc arsd asaa asac asad asar asas asc- asca ascc ascr asda asds asra asrc asrs assa assc assd assr asss c-cd caaa caac caas cac- caca cacc cacr cada cadc cadd cadr cads cara carc card carr cars casa casc casd casr cass ccaa ccac ccad ccar ccas ccca cccc cccs ccdc ccdr ccds ccra ccrc ccrs ccsa ccsd ccss cd-r cdaa cdac cdad cdcs cdda cddr cdrs cdss crac crar cras crca crcc crcr crda crdc crsa crss csaa csac csar csas cscc cscd cscr cscs csda csdr csra csrc csrd csrs cssa cssd cssr daad daar daas daca dacs dada dads dara darc dard darr dars dasa dasc dasd dass dcas dcca dccc dccs dcds dcra dcsc dcss dddd ddrc ddss draa drac drad drar dras drca drda drra drrs drsa dsac dscc dscr dscs dsda dsdr dsrc dsrr dssa dssc raad raas rac- raca racc racs rada radc radd radr rads rara rars rasa rasc rasd rass rcac rcas rccc rccs rcdc rcds rcrd rcsa rcsc rcsd rcss rdac rdas rrad rras rrrr rsaa rscc rscs rsdd rsds rssa sa-c saac saad saar saas saca sacc sacd sacr sacs sada sadc sadd sadr sads sara sarc sard sarr sars sasa sasc sasd sass scaa scac scad scar scas sccc sccs scda scdc scds scr- scra scrc scrs scsa scsc scsd scsr sdcc sddc sdds sdrc sdrs sdsc sdss sras srcc srsd ssaa ssac ssas ssca sscc sscs ssdc ssdd ssra ssrc ssrs sssa sssc ssss