-er a-a a-c aaa aac aae aaf aap aar aas ac- aca acc ace acf acp acr acs aea aec aee aef aep aer aes af- afa afc afe aff afp afr afs ap- apa apc ape apf app apr aps ar- ara arc are arf arp arr ars as- asa asc ase asf asp asr ass c-- caa cac cae caf cap car cas cca ccc cce ccf ccp ccr ccs ce- cea cec cee cef cep cer ces cfa cfc cfe cff cfp cfr cfs cpa cpc cpe cpf cpp cpr cps cra crc cre crf crp crr crs csa csc cse csf csp csr css eaa eac eae eaf eap ear eas ec- eca ecc ece ecf ecr ecs eea eec eee eef eep eer ees ef- efa efc efe eff efp efr efs ep- epa epc epe epf epp epr eps era erc ere erf erp err ers es- esa esc ese esf esp esr ess faa fac fae faf fap far fas fca fcc fce fcf fcp fcr fcs fea fec fee fef fep fer fes ffa ffc ffe fff ffp ffr ffs fpa fpc fpe fpp fpr fps fra frc fre frf frp frr frs fsa fsc fse fsf fsp fsr fss p-p paa pac pae paf pap par pas pca pcc pce pcf pcp pcr pcs pea pec pee pef pep per pes pfa pfc pfe pff pfp pfr pfs ppa ppc ppe ppf ppp ppr pps pra prc pre prf prp prr prs ps- psa psc pse psf psp psr pss ra- raa rac rae raf rap rar ras rca rcc rce rcf rcp rcr rcs re- rea rec ree ref rep rer res rfa rfc rfe rff rfp rfr rfs rpa rpc rpe rpf rpp rpr rps rra rrc rrf rrp rrr rrs rsa rsc rse rsf rsp rsr rss saa sac sae saf sap sar sas sca scc sce scf scp scr scs se- sea sec see sef sep ser ses sfa sfc sfe sff sfp sfr sfs spa spc spe spf spp spr sps sr- sra src sre srf srp srr srs ss- ssa ssc sse ssf ssp ssr sss

-ase aaaa aaac aaae aaaf aaap aaar aaas aaca aacc aace aacf aacp aacr aacs aaea aaec aaep aaes aafa aafc aaff aapa aapc aaps aara aarc aare aarp aars aasa aasc aase aasf aass acaa acac acae acap acar acas acca accc acce accf accp accs ace- acea acec acer aces acfc acfe acfs acpa acpe acpr acps acr- acra acrc acre acrr acrs acsa acsc acse acss aeac aeaf aeap aeas aeer aer- aera aerc aers aesc aess afaa afap afar afca afcc afcs afee afer afes affa affc affs afpa afpc afpe afr- afra afrc afre afrs afsa afsc afsp apac apap apar apas apca apcc apcr apcs apea apec apep aper apes apfa apfc appa appc appr apps apra aprc apre aprs apsa apse apss arac arae araf arap arar aras arc- arca arce arcs area arec aree aref arep ares arfa arfc arff arfs arpa arpe arps arr- arra arrc arre arrr arrs ars- arsa arsc arse asaa asac asae asaf asap asar asas asc- asca ascc asce ascp ascr asea asec asee asep aser ases asfa aspa aspc aspe aspr asps asra asrc asrs assa assc asse assp assr asss caaa caac caaf caap caas cac- caca cacc cace cacr caec caer caes cafa cafc cafe caff cafs capa capc cape capp caps cara carc care carf carp carr cars casa casc case casp casr cass ccaa ccac ccaf ccap ccar ccas ccca cccc cccf cccp cccs ccee ccfa ccfc ccff ccpa ccpe ccpp ccpr ccps ccra ccrc ccre ccrf ccrp ccrs ccsa ccsf ccsp ccss ceac cear ceas cec- ceca cece cecp cecs ceec cees cef- cefa cefc cepa cepc cepe cepp cepr ceps cer- cera cerc cere cerf cerp cers cesa cesc cese cesp cesr cess cfaa cfac cfae cfar cfca cfcf cfcs cffr cfpa cfpr cfps cfra cfre cfrp cfsa cfse cpaa cpac cpaf cpap cpas cpca cpce cpcs cpea cpep cper cpff cppa cpps cpre cprs cpsa cpsc cpsr crac craf crap crar cras crca crcc crce crcr cre- crea crec cree crep cres crfc crfs crpc crps crsa crsp crss csaa csac csar csas cscc csce cscf cscr cscs csea csec csee csep cser csfc csfr cspa cspc cspe csps csra csrc csrs cssa csse cssr eaaf eaca eacc eaec eapc eapp eaps eara eare earp ears easa ease ecaa ecac ecar ecca eccc ecce ecef eces ecfa ecfc ecfr ecfs ecpa ecpp ecra ecrc ecrf ecrr ecsa ecsc ecse ecsp ecss eeca eecs eeea eeee eees eefa eefe eeps eera eerc eers eese efas efca efes effa effs efpa efsa epaa epac epas epcc epec epee eper epes epfa epfc eppa eppc eppp epps epra eprp eprs epsa epsc epsf epsp epss eraf erap eras erca ercc erce ercp erec erer eres erfc erfs erpa erpe erps erra errc erre errs ersa erse esac esar esas esca esce escr escs esea esee eser eses esfp esfs espa espc espe espp esps esra essa esse essp faaa faac faap faas faca facc face facp facs faes fafa fafc fafe faff fapa fape fapp faps fara farc fare farp farr fars fasa fasc fase fass fcap fcar fcas fcca fccf fccp fces fcpa fcps fcra fcsc feaf feap fear feas fece feer fees fefc fefe feff fepa fepc feps fera ferc fere ferr fers fesa fese fess ffar ffcc ffee ffff ffps ffrr ffsa ffss fp-c fpaa fpas fpcc fpra fprf frac frae frap fras frcc frcp frea free frep fres frfc frps frsc fsas fscc fsec fspc fspf fsra fssa fssc fssf fssp paap paar paas paca pace pacs paea paec paep paer paes pafa pafc pafe paff papa pape papp papr paps par- para parc pare parf parp parr pars pasa pasc pase pasp pass pcaa pcae pcaf pcap pcas pcca pccc pcce pccs pcea pcep pcer