-er c-- ccc cce cck cco ccp ccr ccs ccx ce- cec cee cek ceo cep cer ces cex ckc cko cks ckx co- coc coe cok coo cop cor cos cox cpc cpe cpk cpo cpp cpr cps cpx crc cre crk cro crp crr crs crx csc cse csk cso csp csr css csx cxc cxk cxo cxp cxr cxs cxx ec- ecc ece eck eco ecr ecs ecx eec eee eek eeo eep eer ees eex ekc eke eko ekp ekr eks eo- eoc eoe eok eoo eop eor eos ep- epc epe epo epp epr eps epx erc ere erk ero erp err ers es- esc ese esk eso esp esr ess esx ex- exc exe exo exp exr exs exx kcc kce kck kcp kcr kcs kcx ke- kec kee kek keo kep ker kes kex kkc kke kkk kkp kkr kks koc koe kok koo kop kor kos kpc kpe kpk kpo kpp kpr kps krc krk kro krp krr krs ksc kse ksk kso ksp ksr kss kxo oc- occ ock oco ocp ocr ocs ocx oec oee oeo oep oer oes oex okc oke okk oko okp okr oks oo- ooc ook ooo oop oor oos oox op- opc ope opk opo opp opr ops opx or- orc ore ork oro orp orr ors orx os- osc ose osk oso osp osr oss osx ox- oxc oxo oxx p-p pcc pce pck pco pcp pcr pcs pcx pec pee pek peo pep per pes pex pkc pke pko pkp pkr pks poc poe pok poo pop por pos pox ppc ppe ppk ppo ppp ppr pps ppx prc pre prk pro prp prr prs prx ps- psc pse psk pso psp psr pss psx pxc pxe pxk pxr pxs rcc rce rco rcp rcr rcs rcx re- rec ree rek reo rep rer res rex rkc rke rkk rko rkp rks roc roe rok roo rop ror ros rox rpc rpe rpk rpo rpp rpr rps rpx rrc rrk rrp rrr rrs rsc rse rsk rso rsp rsr rss rsx rxp rxr rxs scc sce sck sco scp scr scs scx se- sec see sek seo sep ser ses sex sk- skc ske skk sko skp skr sks skx soc soe sok soo sop sor sos sox spc spe spk spo spp spr sps spx sr- src sre srk sro srp srr srs srx ss- ssc sse ssk sso ssp ssr sss ssx sxc sxs xcp xcr xcx xee xep xer xes xex xke xks xoc xok xoo xop xor xos xox xpc xpe xpo xpp xps xrc xrx xsc xsp xss xxo xxp xxx

-ose cccc cccp cccs ccee ccoc ccpe ccpp ccpr ccps ccrc ccre ccrp ccrs ccsp ccss cec- cece ceco cecp cecs ceec cees ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cer- cerc cere cero cerp cers cesc cese cesp cesr cess cexe ckck ckco ckcs ckcx cker ckoc ckoo ckor ckos ckpc ckpr ckrc ckso coce cock coco cocp coep coes coex cok- coke coko cook coop coos cope copo copp copr cops cor- corc core cork coro corp corr cors cosc cose coso cosp coss coxe cpce cpcs cpep cper cpos cpox cpps cpre cprs cpsc cpsk cpso cpsr cpsx crcc crce crcr cre- crec cree creo crep cres crex crkc crkp croc croe crok croo crop cror crpc crps crsp crss cscc csce csco cscr cscs csec csee csep cser csks csor csos csox cspc cspe csps csrc csrs csse cssr cxpo cxro cxxx eccc ecce ecco eces ecko ecks eco- ecop ecos ecpp ecrc ecrr ecsc ecse ecsp ecss eecs eeee eees eeke eeks eeoc eeps eerc eero eers eese eesk ekco ekek eker ekes ekos ekpe ekpo eoes eore epcc epec epee eper epes epoc epor epos epox eppc eppo eppp epps epro eprp eprs epsc epsp epss epsx epxp er-x ercc erce ercp erec erer eres erke erks eroc eroe eroo eros erpe erps errc erre erro errs erse erso esce esco escr escs esee esek eseo eser eses eske esko esks eso- esok esop esos esox espc espe espo espp esps esse esso essp exco exec exer exes exo- exor exos expo expr exrx k-os kc-x kccc kcck kccr kcec kcee kceo kcep kckc kckk kcko kckr kckx kcoe kcor kcos kcox kcpc kcpo kcpr kcps kcpx kcrc kcro kcrp kcrr kcrs kcrx kcsc kcse kcsp kcsr kcss kcxr keck keco kecr keek keep keer kees kekc keke keko keks keok keos kep- kepc kepe keps kepx ker- kerc kere kerk kero kerp kerr kers kerx kesc kesk keso kesp kesr kess kexo kexs kexx kkck kkco kkcr kkcs kkex kkkk kkoo kkor kkpc kkpk kkps kkrc kkre kkrk kkro kkrr kkrs kkrx kkse kksp kksr kkss kkxk kkxs kkxx kock kocp kocs koes kokc koke kokk koko kokp kokr koks kokx kooc kook kooo koop koor koos kope kopp kopr kops korc kore kork koro korr kors kos- kosc kose koso kosp kosr koss koxc koxe koxr kpcc kpcr kpcs kpek kper kpke kpkk kpkr kpkx kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kprc kpre kprk kpro kprp kprr kprs kpsc kpso kpsp kpxp kpxr krcc krce krco krcs krec kree krek kreo kres krex krkc krke krkk krko krkr krks krkx kroc kroe krok kroo krop kror kros krox krpr krps krpx krrc krre krrk krro krrr krrs krrx krsc krse krsk krsr krss krsx krxk krxo krxp krxr krxx ksce ksck ksco kscr kscs ksec ksee ksek kseo ksep kser ksex kske kskk ksko kskr ksks kskx ksoc ksok ksoo ksop ksor ksos ksox kspc kspe kspk kspo kspr ksps ksro ksrp ksrr ksrs ksrx ksse ksso kssr ksss kssx kxcs kxeo kxex kxkc kxkk kxks kxkx kxok kxoo kxor kxos kxox kxpc kxpk kxpo kxpr kxps kxrc kxre kxrk kxro kxrp kxrr kxrs kxrx kxsc kxse kxsp kxss kxxe kxxk kxxo kxxr kxxx o-eo occc oce ocee ocke ocks ocos ocpp