aaaa aaac aaad aaap aaar aaas aaca aacc aacd aacp aacr aacs aada aadc aads aapa aapc aaps aara aarc aard aarp aars aasa aasc aasd aass acaa acac acad acap acar acas acca accc accd accp accs acda acdc acdp acds acpa acpd acpr acps acr- acra acrc acrr acrs acsa acsc acsd acss adaa adac adad adap adar adas adcc adcs adda addc addd addr adds adp- adps adra adrs adsa adsr adss apac apap apar apas apca apcc apcd apcr apcs apda apdd apds appa appc appd appr apps apra aprc aprs apsa apss arac arad arap arar aras arc- arca arcs arda ardc ards arpa arps arr- arra arrc arrr arrs ars- arsa arsc arsd asaa asac asad asap asar asas asc- asca ascc ascp ascr asda asds aspa aspc aspd aspr asps asra asrc asrs assa assc assd assp assr asss c-cd caaa caac caap caas cac- caca cacc cacr cada cadc cadd cadr cads capa capc capd capp caps cara carc card carp carr cars casa casc casd casp casr cass ccaa ccac ccad ccap ccar ccas ccca cccc cccp cccs ccdc ccdp ccdr ccds ccpa ccpp ccpr ccps ccra ccrc ccrp ccrs ccsa ccsd ccsp ccss cd-r cdaa cdac cdad cdcs cdda cddr cdps cdrs cdss cpaa cpac cpad cpap cpas cpca cpcs cppa cppd cpps cprs cpsa cpsc cpsr crac crap crar cras crca crcc crcr crda crdc crpc crps crsa crsp crss csaa csac csar csas cscc cscd cscr cscs csda csdp csdr cspa cspc cspd csps csra csrc csrd csrs cssa cssd cssr daad daap daar daas daca dacs dada dads dapa dapp daps dara darc dard darp darr dars dasa dasc dasd dass dcas dcca dccc dccp dccs dcds dcps dcra dcsc dcss dddd ddps ddrc ddss dpaa dpac dpcp dppa dppc dpsd draa drac drad drap drar dras drca drda drra drrs drsa drsp dsac dsap dscc dscp dscr dscs dsda dsdp dsdr dsps dsrc dsrp dsrr dssa dssc dssp paap paar paas paca pacd pacs pada padd pads papa papp papr paps par- para parc pard parp parr pars pasa pasc pasd pasp pass pcaa pcad pcap pcas pcca pccc pccs pcpp pcps pcra pcrc pcrd pcsa pdac pdas pdca pdcp pdpa pdpr pdrc pdrs pdsa pdsd pdss ppac ppad ppap ppar ppcc ppcd ppcs ppds pppa pppd pppp ppps pprc ppss prad prar pras prca prcc prcd prcp prcs prpd prps prrd prrs prsa prsc prsd prss psac psap psas psca psdc psdp psdr psds pspp pspr psps psrd psrp pssa pssc raad raas rac- raca racc racs rada radc radd radr rads rapa rapc rapd rapp raps rara rars rasa rasc rasd rasp rass rcac rcas rccc rccs rcdc rcds rcpd rcps rcrd rcsa rcsc rcsd rcss rdac rdap rdas rdpc rpca rpcs rpdp rpps rrad rras rrrr rrsp rsaa rscc rscs rsdd rsds rsps rssa sa-c saac saad saap saar saas saca sacc sacd sacr sacs sada sadc sadd sadr sads sapa sapp saps sara sarc sard sarp sarr sars sasa sasc sasd sass scaa scac scad scap scar scas sccc sccp sccs scda scdc scdp scds scpa scps scr- scra scrc scrs scsa scsc scsd scsr sdap sdcc sddc sdds sdpr sdps sdrc sdrs sdsc sdss sp-a spac spad spap spar spas spca spcc spcs spdc spdp spdr sppd spps sprd sprs spsa spsd spsp spss sras srcc srpc srps srsd srsp ssaa ssac ssap ssas ssca sscc sscp sscs ssdc ssdd ssdp sspa sspc ssps ssra ssrc ssrs sssa sssc ssss