-er a-a a-c aaa aac aae aaf aak aam aar aas ac- aca acc ace acf ack acm acr acs aea aec aee aef aek aem aer aes af- afa afc afe aff afk afm afr afs aka akc ake akk akm akr aks ama amc ame amf amk amm amr ams ar- ara arc are arf ark arm arr ars as- asa asc ase asf ask asm asr ass c-- caa cac cae caf cak cam car cas cca ccc cce ccf cck ccm ccr ccs ce- cea cec cee cef cek cem cer ces cfa cfc cfe cff cfk cfm cfr cfs cka ckc ckm cks cma cmc cme cmf cmk cmm cmr cms cra crc cre crf crk crm crr crs csa csc cse csf csk csm csr css eaa eac eae eaf eak eam ear eas ec- eca ecc ece ecf eck ecm ecr ecs eea eec eee eef eek eem eer ees ef- efa efc efe eff efm efr efs eka ekc eke ekf ekr eks em- ema emc eme emf emk emm emr ems era erc ere erf erk erm err ers es- esa esc ese esf esk esm esr ess faa fac fae faf fak fam far fas fca fcc fce fcf fck fcm fcr fcs fea fec fee fef fek fem fer fes ffa ffc ffe fff ffk ffm ffr ffs fka fkc fkf fkk fkm fma fmc fme fmf fmm fmr fms fra frc fre frf frk frm frr frs fsa fsc fse fsf fsk fsm fsr fss ka- kaa kac kae kaf kak kam kar kas kca kcc kce kck kcm kcr kcs ke- kea kec kee kef kek kem ker kes kfa kfc kff kfm kfs kkc kke kkk kkm kkr kks kma kmc kme kmf kmk kmm kms kra krc krf krk krr krs ksa ksc kse ksf ksk ksm ksr kss m-f m-r maa mac mae maf mak mam mar mas mc- mca mcc mce mcf mck mcm mcr mcs mea mec mee mef mek mem mer mes mfa mfc mfe mff mfm mfr mfs mka mkc mke mkk mkm mkr mks mma mmc mme mmf mmk mmm mmr mms mra mrc mre mrf mrk mrm mrr mrs msa msc mse msf msk msm msr mss ra- raa rac rae raf rak ram rar ras rca rcc rce rcf rcm rcr rcs re- rea rec ree ref rek rem rer res rfa rfc rfe rff rfk rfm rfr rfs rkc rke rkf rkk rkm rks rma rmc rme rmf rmm rmr rms rra rrc rrf rrk rrm rrr rrs rsa rsc rse rsf rsk rsm rsr rss saa sac sae saf sak sam sar sas sca scc sce scf sck scm scr scs se- sea sec see sef sek sem ser ses sfa sfc sfe sff sfk sfm sfr sfs sk- ska skc ske skf skk skm skr sks sma smc sme smf smk smm smr sms sr- sra src sre srf srk srm srr srs ss- ssa ssc sse ssf ssk ssm ssr sss

-ase a-ak aaaa aaac aaae aaaf aaam aaar aaas aaca aacc aace aacf aack aacm aacr aacs aaea aaec aaem aaes aafa aafc aaff aaka aake aama aamc aame aamr aams aara aarc aare aarm aars aasa aasc aase aasf aasm aass acaa acac acae acar acas acca accc acce accf accm accs ace- acea acec acek acem acer aces acfc acfe acfm acfs acke acks acma acmc acme acmf acms acr- acra acrc acre acrm acrr acrs acsa acsc acse acsm acss aeac aeaf aeas aeer aeka aer- aera aerc aers aesc aess afaa afak afam afar afca afcc afcs afee afek afer afes affa affc affs afka afkr afma afmc afr- afra afrc afre afrm afrs afsa afsc afsm akaa akae akam akar akas akca akee aker akes akka akr- akra akre aksa amaa amac amae amam amar amas amca amcc amcs amec amee amer ames amfm amfr amka amm- amma amme amra amrc amsa amsc amss arac arae araf arak aram arar aras arc- arca arce arcm arcs area arec aree aref arek arem ares arfa arfc arff arfs arka arke arks arma armc arme armm arms arr- arra arrc arre arrk arrr arrs ars- arsa arsc arse arsk asaa asac asae asaf asak asam asar asas asc- asca ascc asce ascr asea asec asee asek asem aser ases asfa aska aske askr asks asma asme asmf asmm asmr asms asra asrc asrm asrs assa assc asse assk assr asss caaa caac caaf caam caas cac- caca cacc cace cack cacm cacr caec caem caer caes cafa cafc cafe caff cafs caka cake cama camc came camk camm cams cara carc care carf cark carm carr cars casa casc case cask casm casr cass ccaa ccac ccaf ccam ccar ccas ccca cccc cccf cccm cccs ccee ccfa ccfc ccff cckm ccma ccmc ccmm ccms ccra ccrc ccre ccrf ccrs ccsa ccsf ccss ceac cear ceas cec- ceca cece cecm cecs ceec ceem cees cef- cefa cefc ceke cema ceme cemm cemr cems cer- cera cerc cere cerf cers cesa cesc cese cesr cess cfaa cfac cfae cfam cfar cfca cfcf cfcm cfcs cffr cfma cfms cfra cfre cfsa cfse ckac ckck ckcm ckcs ckem cker ckfr ckrc ckrm cksa cmaa cmac cmas cmcc cmcs cmea cmec cmes cmmc cmms cmra cmrr cmrs cmsa cmsc cmse cmsf crac craf cram crar cras crca crcc crce crcr cre- crea crec cree crem cres crfc crfs crkc crms crsa crss csaa csac csak csar csas cscc csce cscf cscr cscs csea csec csee csem cser csfc csfr cska csks csma csmc csra csrc csrs cssa csse cssm cssr eaaf eaca eacc eaec eama eame eams eara eare ears easa ease ecaa ecac ecam ecar ecca eccc ecce eccm ecef ecem eces ecfa ecfc ecfr ecfs ecka ecks ecma ecra ecrc ecrf ecrm ecrr ecsa ecsc ecse ecss eeca eecs eeea eeee eees eefa eefe eeka eeke eeks eems eera eerc eers eese