-er c-- ccc cce cck ccm ccr ccs ccu ce- cec cee cek cem cer ces ceu ckc ckm cks cmc cme cmk cmm cmr cms cmu crc cre crk crm crr crs cru csc cse csk csm csr css csu cuc cue cuk cum cur cus cuu ec- ecc ece eck ecm ecr ecs ecu eec eee eek eem eer ees ekc eke ekr eks eku em- emc eme emk emm emr ems emu erc ere erk erm err ers eru es- esc ese esk esm esr ess esu eu- euc eue eur eus kcc kce kck kcm kcr kcs kcu ke- kec kee kek kem ker kes kkc kke kkk kkm kkr kks kku kmc kme kmk kmm kms kmu krc krk krr krs kru ksc kse ksk ksm ksr kss ksu kuc kue kuk kum kur kus kuu m-r mc- mcc mce mck mcm mcr mcs mcu mec mee mek mem mer mes meu mkc mke mkk mkm mkr mks mku mmc mme mmk mmm mmr mms mmu mrc mre mrk mrm mrr mrs mru msc mse msk msm msr mss msu muc mue muk mum mur mus muu rcc rce rcm rcr rcs rcu re- rec ree rek rem rer res reu rkc rke rkk rkm rks rku rmc rme rmm rmr rms rrc rrk rrm rrr rrs rru rsc rse rsk rsm rsr rss rsu ruc rue ruk rum rur rus ruu scc sce sck scm scr scs scu se- sec see sek sem ser ses seu sk- skc ske skk skm skr sks sku smc sme smk smm smr sms smu sr- src sre srk srm srr srs ss- ssc sse ssk ssm ssr sss ssu suc sue suk sum sur sus suu ucc uce uck ucm ucr ucs ucu uec uee uem uer ues ukc uke ukk ukr uku um- umc ume umm umr ums umu ur- urc ure urk urm urr urs uru usc use usk usm usr uss usu uuc uue uum uur uus uuu

cccc cccm cccs cccu ccee cckm ccmc ccmm ccms ccrc ccre ccrs ccss ccuc ccus cec- cece cecm cecs ceec ceem cees ceke ceme cemm cemr cems cemu cer- cerc cere cers cesc cese cesr cess ckck ckcm ckcs ckem cker ckrc ckrm cmcc cmcs cmec cmes cmmc cmms cmrr cmrs cmsc cmse cmus crcc crce crcr cre- crec cree crem cres creu crkc crms crss crue cruk crum crus cscc csce cscr cscs csec csee csem cser csks csmc csmu csrc csrs csse cssm cssr csum csur csus cucc cuce cuck cucm cuek cuer cues cuk- cuke cum- cume cums cure curr curs cusk cuss cusu eccc ecce eccm ecem eces ecks ecrc ecrm ecrr ecru ecsc ecse ecss ecsu ecus eecs eeee eees eeke eeks eems eerc eers eese eesk ekek eker ekes ekur emcc emcs emek emer emes emeu emks emme emms emmu emre emrs emse emus ercc erce erec erem erer eres erke erks ermc erme erms errc erre errs erse eruc erum erur erus esce escm escr escs escu esee esek esem eser eses eske esks esku esme esmr esse essu esus euer eumc eums eur- eurc eure euse kccc kcck kccr kccu kcec kcee kceu kckc kckk kckm kckr kcmc kcme kcmk kcmm kcmr kcms kcrc kcrr kcrs kcru kcsc kcse kcsm kcsr kcss kcsu kcue kcuk keck kecr keek keem keer kees kekc keke keks keku kemc keme kemm kemr kems kemu ker- kerc kere kerk kerm kerr kers keru kesc kesk kesr kess keur keus kkck kkcm kkcr kkcs kkkk kkmc kkmk kkmr kkms kkrc kkre kkrk kkrr kkrs kkse kksm kksr kkss kksu kkus kkuu kmcc kmce kmcm kmcr kmcs kmcu kmem kmer kmke kmkk kmks kmme kmmk kmmm kmmr kmms kmrc kmrr kmrs kmsc kmse kmsr kmss kmsu kmuc kmue kmur kmus krcc krce krcm krcs krcu krec kree krek krem kres kreu krkc krke krkk krkr krks krku krmc krme krmr krms krrc krre krrk krrm krrr krrs krsc krse krsk krsr krss krsu kruc krue kruk krum krur ksce ksck kscm kscr kscs kscu ksec ksee ksek ksem kser kske kskk kskr ksks ksku ksmc ksme ksmm ksmr ksms ksmu ksrm ksrr ksrs ksse kssm kssr ksss kssu ksue ksum ksuu kucc kuce kucr kuek kues kueu kuke kukk kuks kuku kume kumm kumr kumu kure kurk kurm kurr kurs kuru kusc kusu kuuk kuur kuuu mccc mces mckk mcmc mcrc mcse mcss mec- mecc mece meck mecr mecs meek meem meer mees meke memc meme memr mems memu mer- merc mere merk merm mers meru mes- mesc mese mesr mess meum meus mker mkks mksm mmcc mmcm mmcs mmes mmmc mmmm mmms mmrc mmsc mmse mmsu mmus mr-c mrcc mrce mrcs mree mres mrkr mrmc mrrc mrsc mrse mruk mscc msce msec msee msem msmc msmm msms msmu mssm mssr msus muc- mucc muce muck mucu muee mues muke mume mumm mums mumu murc mure murk murr murs muru musc muse musk muss musu rccc rccs rcms rcsc rcss recc rece reck recm recr recs recu reek reem rees reke reks reme rems rere rers reru rese ress reue reuk reus reuu rkss rmsc rrkm rrmc rrrr rrum rscc rscs rsee rsme rsre rsum ruce ruck ruer rues ruke rukk ruku rume rumm rums rurc rure rurs ruru ruse rusk russ rusu sccc scce sccm sccs scec scee scer sck- scmc scmm scms scr- scrc scre scrs scsc scsr scsu scum scur se-c se-e se-k se-s se-u sec- secc sece seck secr secs secu seec seek seem seer sees seeu seke sekk seku semc seme sems semu serc sere serk serm serr sers seru sesc sese sess seur skee skem sker skes skss skue skum skur smcc smec smee smrk smsc smss smur smus srcc srec srem sres srmc sscc ssce sscs ssec ssee ssem sses ssmc ssrc ssrm ssrs sssc sssm ssss suc- succ suck sucr sucs suee suer sues sueu suke suks suku sum- sume sums sumu sur- surc sure surr