-er -ic c-- ccc cce cci cck cco ccp ccr ccs ce- cec cee cei cek ceo cep cer ces ci- cic cie cii cik cio cip cir cis ckc cki cko cks co- coc coe coi cok coo cop cor cos cpc cpe cpi cpk cpo cpp cpr cps crc cre cri crk cro crp crr crs csc cse csi csk cso csp csr css ec- ecc ece eci eck eco ecr ecs eec eee eek eeo eep eer ees eic eie eii eik eio eip eir eis ekc eke eki eko ekp ekr eks eo- eoc eoe eoi eok eoo eop eor eos ep- epc epe epi epo epp epr eps erc ere eri erk ero erp err ers es- esc ese esi esk eso esp esr ess icc ice ici ick ico icp icr ics ie- iec iee iei iek iep ier ies iic iie iii iio iip iir iis ikc ike iki ikk iko ikr iks io- ioc ioe ioi ioo iop ior ios ipc ipe ipi ipo ipp ipr ips ir- irc ire iri irk iro irp irr irs is- isc ise isi isk iso isp isr iss kcc kce kci kck kcp kcr kcs ke- kec kee kei kek keo kep ker kes kic kie kii kik kio kip kir kis kkc kke kki kkk kkp kkr kks koc koe koi kok koo kop kor kos kpc kpe kpi kpk kpo kpp kpr kps krc kri krk kro krp krr krs ksc kse ksi ksk kso ksp ksr kss o-i oc- occ oci ock oco ocp ocr ocs oec oee oei oeo oep oer oes oic oie oii oik oio oip oir ois okc oke oki okk oko okp okr oks oo- ooc ooi ook ooo oop oor oos op- opc ope opi opk opo opp opr ops or- orc ore ori ork oro orp orr ors os- osc ose osi osk oso osp osr oss p-p pcc pce pci pck pco pcp pcr pcs pec pee pei pek peo pep per pes pic pie pii pik pio pip pir pis pkc pke pki pko pkp pkr pks poc poe poi pok poo pop por pos ppc ppe ppi ppk ppo ppp ppr pps prc pre pri prk pro prp prr prs ps- psc pse psi psk pso psp psr pss rcc rce rci rco rcp rcr rcs re- rec ree rei rek reo rep rer res ric rie rii rik rio rip rir ris rkc rke rkk rko rkp rks roc roe roi rok roo rop ror ros rpc rpe rpi rpk rpo rpp rpr rps rrc rri rrk rrp rrr rrs rsc rse rsi rsk rso rsp rsr rss scc sce sci sck sco scp scr scs se- sec see sei sek seo sep ser ses sic sie sii sik sio sip sir sis sk- skc ske ski skk sko skp skr sks soc soe soi sok soo sop sor sos spc spe spi spk spo spp spr sps sr- src sre sri srk sro srp srr srs ss- ssc sse ssi ssk sso ssp ssr sss

-ose cccc ccci cccp cccs ccee ccic ccii ccip ccir ccis ccoc ccpe ccpp ccpr ccps ccrc ccre ccri ccrp ccrs ccsi ccsp ccss cec- cece ceci ceco cecp cecs ceec cees ceip ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cer- cerc cere ceri cero cerp cers cesc cese cesi cesp cesr cess cicc cici cico cicr cics ciee cier cies ciii ciis ciko cikr cior cios cipo cipp cips circ cire ciri cirk ciro cirr cirs cis- cisc cise cisk cisp cisr ciss ckck ckco ckcs cker ckoc ckoi ckoo ckor ckos ckpc ckpr ckrc ckso coce cock coco cocp coep coes coip coir cois cok- coke coko cook coop coos cope copi copo copp copr cops cor- corc core cori cork coro corp corr cors cosc cose cosi coso cosp coss cpce cpcs cpep cper cpic cpio cpos cpps cpre cpri cprs cpsc cpsk cpso cpsr crcc crce crcr cre- crec cree crei creo crep cres cric crie crik crip cris crkc crkp croc croe crok croo crop cror crpc crps crsp crss cscc csce csci csco cscr cscs csec csee csep cser csik csio csir csis csks csor csos cspc cspe cspi csps csrc csrs csse cssr eccc ecce ecci ecco eces ecip ecis ecko ecks eco- ecop ecos ecpp ecrc ecri ecrr ecsc ecse ecsp ecss eecs eeee eees eeke eeks eeoc eeps eerc eero eers eese eesi eesk eick eico eics eiec eiei eier eies eike eiki eiko eiks eipo eipr eire eirs eise eisk eiso eiss ekco ekek eker ekes ekis ekki ekoi ekos ekpe ekpo eksi eoes eoir eois eore eori epcc epci epec epee eper epes epi- epic epie epik epip epis epoc epor epos eppc eppo eppp epps epro eprp eprs epsc epsi epsp epss ercc erce ercp erec erei erer eres eric erie erik erio eris erke erki erks eroc eroe eroi eroo eros erpe erps errc erre erro errs erse ersi erso esce esci esco escr escs esee esek eseo eser eses esie esik esis eske esko esks eso- esok esop esos espc espe espi espo espp esps esri esse essi esso essp iccc icci icco iccp iccr iccs icec icee icer ices icis icke icks icoc icor icos icpc icpo icps icrc icre icrr icrs icsc icse icsi icsp icsr icss iecc ieie ieio iere ieri iers iesc iesi ieso iesr iies iiie iiii iiio iiis iioi iioo iiop iios iirc iirs iisc iisi iisp iisr ikee iker ikes ikki ikko ikoo ikri ioci iocp ioee ioii ioio ioke ioko iooi iooo ioos iops iore iori iors ioso ipcc ipce ipcs ipec ipek iper ipes ipie ipko ipoe ipop ipos ippc ippo ippr ipri ipsc ipse ipsi ipso ipsp ipss ircc ircs iree irer ires iri- iric irie irio irip iris irki irks iroc irop irpc irpe irps irrc irre irri irrs irse irsp iscc isci isco iscp iscr iscs