-er c-- ccc cce ccg cck cco ccp ccr ccs ce- cec cee ceg cek ceo cep cer ces cgc cge cgg cgo cgp cgr cgs ckc cko cks co- coc coe cog cok coo cop cor cos cpc cpe cpg cpk cpo cpp cpr cps crc cre crg crk cro crp crr crs csc cse csg csk cso csp csr css ec- ecc ece ecg eck eco ecr ecs eec eee eeg eek eeo eep eer ees egc ege egg ego egp egr egs ekc eke ekg eko ekp ekr eks eo- eoc eoe eog eok eoo eop eor eos ep- epc epe epg epo epp epr eps erc ere erg erk ero erp err ers es- esc ese esg esk eso esp esr ess g-p gcc gce gcg gck gco gcp gcr gcs ge- gec gee geg gek geo gep ger ges ggc ggg ggo ggp ggr ggs gko gkp gks goc goe gog gok goo gop gor gos gpc gpe gpg gpk gpo gpp gpr gps grc gre grg grk gro grp grr grs gsc gse gsg gsk gso gsp gsr gss kcc kce kcg kck kcp kcr kcs ke- kec kee keg kek keo kep ker kes kgc kgo kgp kgs kkc kke kkk kkp kkr kks koc koe kog kok koo kop kor kos kpc kpe kpk kpo kpp kpr kps krc krg krk kro krp krr krs ksc kse ksg ksk kso ksp ksr kss oc- occ ocg ock oco ocp ocr ocs oec oee oeg oeo oep oer oes ogc oge ogg ogo ogp ogs okc oke okg okk oko okp okr oks oo- ooc oog ook ooo oop oor oos op- opc ope opg opk opo opp opr ops or- orc ore org ork oro orp orr ors os- osc ose osg osk oso osp osr oss p-p pcc pce pcg pck pco pcp pcr pcs pec pee peg pek peo pep per pes pgc pge pgg pgk pgo pgp pgr pgs pkc pke pkg pko pkp pkr pks poc poe pog pok poo pop por pos ppc ppe ppg ppk ppo ppp ppr pps prc pre prg prk pro prp prr prs ps- psc pse psg psk pso psp psr pss rcc rce rcg rco rcp rcr rcs re- rec ree reg rek reo rep rer res rgc rge rgg rgk rgo rgp rgr rgs rkc rke rkg rkk rko rkp rks roc roe rog rok roo rop ror ros rpc rpe rpg rpk rpo rpp rpr rps rrc rrg rrk rrp rrr rrs rsc rse rsg rsk rso rsp rsr rss scc sce scg sck sco scp scr scs se- sec see seg sek seo sep ser ses sgc sge sgg sgk sgo sgp sgr sgs sk- skc ske skg skk sko skp skr sks soc soe sog sok soo sop sor sos spc spe spg spk spo spp spr sps sr- src sre srg srk sro srp srr srs ss- ssc sse ssg ssk sso ssp ssr sss

-ose cccc cccp cccs ccee ccgc ccgs ccoc ccpe ccpp ccpr ccps ccrc ccre ccrg ccrp ccrs ccsg ccsp ccss cec- cece ceco cecp cecs ceec cees cege cego ceke ceop ceor ceos cepc cepe cepo cepp cepr ceps cer- cerc cere cero cerp cers cesc cese cesg cesp cesr cess cgcc cgcg cger cges cggs cgro cgss ckck ckco ckcs cker ckgo ckoc ckoo ckor ckos ckpc ckpg ckpr ckrc ckso coce cock coco cocp coep coes cogo cogs cok- coke coko cook coop coos cope copg copo copp copr cops cor- corc core corg cork coro corp corr cors cosc cose coso cosp coss cpce cpcs cpep cper cpos cpps cpre cprs cpsc cpsk cpso cpsr crcc crce crcr cre- crec cree creg creo crep cres crgs crkc crkp croc croe crok croo crop cror crpc crps crsp crss cscc csce csco cscr cscs csec csee csep cser csks csor csos cspc cspe csps csrc csrs csse cssr eccc ecce ecco eces ecgs ecko ecks eco- ecog ecop ecos ecpg ecpp ecrc ecrr ecsc ecse ecsp ecss eecs eeee eees eegs eeke eeks eeoc eeps eerc eerg eero eers eese eesk egcc egcg egcr egec egee eger egge eggo eggp eggs egks ego- egor egos egpe egpo egre egsc egss ekco ekek eker ekes ekgs ekos ekpe ekpo eoes eore epcc epec epee eper epes epoc epor epos eppc eppo eppp epps epro eprp eprs epsc epsp epss ercc erce ercp erec erer eres erg- ergg ergo ergs 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 espc espe espo espp esps esse essg esso essp gc-c gccc gccs gcos gcpc gcrg gcse gcss gece geck geek geep geer gees gege gegg gego geko geo- geog geos gepe gere gero gers gesg gesk geso gess gggg ggpo ggss gkrp goce gocr goer goes gogo gogs goke goog gook goop goor goos gopc gope gopo gops gore gorg goro gorp gorr gors gose goso goss gper gpgp gpos gprp gprs gpsg gpso gpss grcc grce grec gree greg grep gres groc grog grok groo grop gror gros grpc grps grrr grrs grss gscp gsoc gsos gspc gsse k-os kccc kcck kccr kcec kcee kceg kceo kcep kcgc kcgr kcgs kckc kckk kcko kckr kcoe kcog kcor kcos kcpc kcpo kcpr kcps kcrc kcrg kcro kcrp kcrr kcrs kcsc kcse kcsg kcsp kcsr kcss kecg keck keco kecr keek keep keer kees kege kegg kegk kegr kegs kekc keke keko keks keok keos kep- kepc kepe keps ker- kerc kere kerk kero kerp kerr kers kesc kesk keso kesp kesr kess kgcc kgce kgcr kgec kgeo kggg kggo kggr kgks kgoe kgor kgos kgpe kgpg kgpr kgrc kgre kgrg kgrk kgro kgrr kgrs kgso kgsp kgsr kkck kkco kkcr kkcs kkeg kkgo kkgr kkkk kkoo kkor kkpc kkpk kkps kkrc kkre kkrk kkro kkrr kkrs kkse kksp kksr kkss kock