-er c-- ccc cce cck cco ccp ccr cct ccv ce- cec cee cek ceo cep cer cet cev ckc cko ckt co- coc coe cok coo cop cor cot cov cpc cpe cpk cpo cpp cpr cpt cpv crc cre crk cro crp crr crt crv ctc cte ctk cto ctp ctr ctt ctv cvc cve cvk cvo cvp cvr cvt cvv ec- ecc ece eck eco ecr ect ecv eec eee eek eeo eep eer eet eev ekc eke eko ekp ekr ekt ekv eo- eoc eoe eok eoo eop eor eot ep- epc epe epo epp epr ept erc ere erk ero erp err ert erv etc ete etk eto etp etr ett etv evc eve evo evp evr evt evv k-t kcc kce kck kcp kcr kct ke- kec kee kek keo kep ker ket kev kkc kke kkk kkp kkr kkt kkv koc koe kok koo kop kor kot kpc kpe kpk kpo kpp kpr kpt kpv krc krk kro krp krr krt krv ktc kte ktk kto ktp ktr ktt ktv kvk kvo kvp kvr kvv oc- occ ock oco ocp ocr oct ocv oec oee oeo oep oer oet okc oke okk oko okp okr oo- ooc ook ooo oop oor oot oov op- opc ope opk opo opp opr opt opv or- orc ore ork oro orp orr ort orv ot- otc ote otk oto otp otr ott otv ov- ovc ove ovo ovp ovv p-p pcc pce pck pco pcp pcr pct pcv pec pee pek peo pep per pet pev pkc pke pko pkp pkr pkt poc poe pok poo pop por pot pov ppc ppe ppk ppo ppp ppr ppt ppv prc pre prk pro prp prr prt prv pt- ptc pte ptk pto ptp ptr ptt ptv pvc pve pvk pvo pvp pvr pvt pvv rcc rce rco rcp rcr rct rcv re- rec ree rek reo rep rer ret rev rkc rke rkk rko rkp rkt rkv roc roe rok roo rop ror rot rov rpc rpe rpk rpo rpp rpr rpt rpv rrc rrk rrp rrr rrt rtc rte rtk rto rtp rtr rtt rtv rvc rve rvo rvp rvr rvt rvv tcc tce tck tco tcp tcr tct tcv te- tec tee tek teo tep ter tet tev tkc tke tkk tko tkp tkr tkt to- toc toe tok too top tor tot tov tpc tpe tpk tpo tpp tpr tpt tpv trc tre trk tro trp trr trt trv ttc tte ttk tto ttp ttr ttt ttv tvc tve tvk tvo tvp tvr tvt v-e vcc vce vco vcp vcr vct vec vee vek veo vep ver vet vkp vkt voc voe vok voo vop vor vot vov vpc vpe vpk vpo vpp vpr vpt vrc vre vrk vrp vrr vrt vtc vte vtk vto vtr vtt vtv vvc vvo vvr vvt vvv

cccc cccp cccv ccee ccoc ccpe ccpp ccpr ccrc ccre ccrp ccrt cctc cctt cctv ccvo cec- cece ceco cecp cect ceec ceke ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cero cerp cert cet- cete ceto cetp cetv cevo ckck ckco ckcv cker ckoc ckoo ckor ckot ckpc ckpr ckrc ckvo coce cock coco cocp coct coep cok- coke coko cook coop coot cope copo copp copr copt cor- corc core cork coro corp corr cort cotc cote coto cott cove covo cpce cpep cper cpre cprt cptp cptr cpvc cpvt crcc crce crcr cre- crec cree creo crep cret crkc crkp croc croe crok croo crop cror crot crpc crrt crtc crtp crtv ctcp ctec ctep ctor ctot ctpo ctpp ctrc ctrp ctvo ctvt cvcc cver cvet cvrr cvte eccc ecce ecco ecct ecko eco- ecop ecot ecpp ecrc ecrr ecrv ect- ectc ecto ectv eeee eeke eeoc eerc eero eetc eete ekco ekek eker eket ekpe ekpo eore eotc eoto epcc epec epee eper epoc epor epot eppc eppo eppp epro eprp epte eptv ercc erce ercp erec erer eret erev erke eroc eroe eroo erpe errc erre erro erve etcc etco etec etee eter etoe etok etre etro ette etto etvo ever evet evoe evoo evop evre evvk kccc kcck kccr kcct kccv kcec kcee kceo kcep kcet kckc kckk kcko kckr kckv kcoe kcor kcot kcpc kcpo kcpr kcpt kcrc kcro kcrp kcrr kcrt kcrv kctc kcte kcto kctv kcvk kcvo kcvp kcvr kcvv keck keco kecr keek keep keer keet kekc keke keko keok kep- kepc kepe kept ker- kerc kere kerk kero kerp kerr kert kerv ket- ketc kete ketk keto ketp ketr kett ketv keve kevt kkck kkco kkcr kkct kkkk kkoo kkor kkot kkov kkpc kkpk kkpt kkrc kkre kkrk kkro kkrr kkrt kkrv kktc kktk kktv kkvr kkvt kkvv kock kocp koct kokc koke kokk koko kokp kokr kooc kook kooo koop koor koot koov kope kopp kopr kopt korc kore kork koro korr kort korv kotc kote kotk koto kotr kott kotv kovc kove kovk kovo kovr kpcc kpcr kpcv kpek kper kpet kpke kpkk kpkr kpoc kpoe kpok kpoo kpop kppc kppk kppo kppp kppr kppv kprc kpre kprk kpro kprp kprr kprt kprv kpte kpto kptr kptt kptv kpvc kpvr krcc krce krco krec kree krek kreo kret krev krkc krke krkk krko krkr krkv kroc kroe krok kroo krop kror krov krpr krpt krrc krre krrk krro krrr krrt krtc krtk krto krtr krtv krvc krve krvk krvo krvr krvv ktcc ktce ktck ktco ktcr ktcv ktec ktee ktek ktep ktkc ktke ktkk ktko ktkr ktkt ktoc ktoe ktok ktoo ktop ktor ktot ktpk ktpo ktpr ktpt ktrc ktre ktrk ktro ktrp ktrr ktrt ktrv kttc kttk ktto kttp kttr kttt kttv ktvc ktve ktvk ktvo ktvr ktvt kvcc kvce kvck kvco kvcr kvct kvcv kvec kver kvet kvoc kvoe kvok kvoo kvop kvor kvot kvov kvpt kvrc kvre kvro kvrp kvrr kvrv kvtk kvto kvtr kvtt kvtv kvvp kvvr kvvv o-eo occc occt oce ocee ocet ocke ocpp ocre ocro ocrr oct- octe