aaaa aaac aaad aaap aaas aaca aacc aacd aacp aacs aada aadc aads aapa aapc aaps aasa aasc aasd aass acaa acac acad acap acas acca accc accd accp accs acda acdc acdp acds acpa acpd acps acsa acsc acsd acss adaa adac adad adap adas adcc adcs adda addc addd adds adp- adps adsa adss apac apap apas apca apcc apcd apcs apda apdd apds appa appc appd apps apsa apss asaa asac asad asap asas asc- asca ascc ascp asda asds aspa aspc aspd asps assa assc assd assp asss c-cd caaa caac caap caas cac- caca cacc cada cadc cadd cads capa capc capd capp caps casa casc casd casp cass ccaa ccac ccad ccap ccas ccca cccc cccp cccs ccdc ccdp ccds ccpa ccpp ccps ccsa ccsd ccsp ccss cdaa cdac cdad cdcs cdda cdps cdss cpaa cpac cpad cpap cpas cpca cpcs cppa cppd cpps cpsa cpsc csaa csac csas cscc cscd cscs csda csdp cspa cspc cspd csps cssa cssd daad daap daas daca dacs dada dads dapa dapp daps dasa dasc dasd dass dcas dcca dccc dccp dccs dcds dcps dcsc dcss dddd ddps ddss dpaa dpac dpcp dppa dppc dpsd dsac dsap dscc dscp dscs dsda dsdp dsps dssa dssc dssp paap paas paca pacd pacs pada padd pads papa papp paps pasa pasc pasd pasp pass pcaa pcad pcap pcas pcca pccc pccs pcpp pcps pcsa pdac pdas pdca pdcp pdpa pdsa pdsd pdss ppac ppad ppap ppcc ppcd ppcs ppds pppa pppd pppp ppps ppss psac psap psas psca psdc psdp psds pspp psps pssa pssc sa-c saac saad saap saas saca sacc sacd sacs sada sadc sadd sads sapa sapp saps sasa sasc sasd sass scaa scac scad scap scas sccc sccp sccs scda scdc scdp scds scpa scps scsa scsc scsd sdap sdcc sddc sdds sdps sdsc sdss sp-a spac spad spap spas spca spcc spcs spdc spdp sppd spps spsa spsd spsp spss ssaa ssac ssap ssas ssca sscc sscp sscs ssdc ssdd ssdp sspa sspc ssps sssa sssc ssss