c-cd cccc cccp cccv ccdc ccdp ccdr cced ccee ccoc ccod ccpe ccpp ccpr ccrc ccre ccrp ccvo cd-e cd-r cddr cdec cder cdre cdvd cec- cece ceco cecp cedd cede cedo ceec ceke ceop ceor cepc cepe cepo cepp cepr cer- cerc cerd cere cero cerp cevo ckck ckco ckcv ckdo cker ckoc ckoo ckor ckpc ckpr ckrc ckrd ckvo coce cock coco cocp codd code coed coep cok- coke coko cood cook coop copd cope copo copp copr cor- corc cord core cork coro corp corr cove covo cpce cpep cper cppd cpre cpvc crcc crce crcr crdc cre- crec cred cree creo crep crkc crkp croc crod croe crok croo crop cror crpc cvcc cver cvrd cvrr dccc dccp dccv dcop dcpo dcrk dcvd dddd ddoc ddpo ddrc ddre dec- decc decd dece deck deco dedd dede dedo deed deek deep deer deev dek- deke deop deor depc depe depo depp depr der- derc dere derk dero derp derr derv deve devo dkdc doce dock doco dod- dodd dode dodo doek doer doke doko dood dook doop door dope dopo dopp dopr dorc dord dore dork doro dorp dorr dove dpcp dper dppc dprk dred dree drek drev drod drop dvdr dvor dvrp eccc ecce ecco ecdc eced ecko eco- ecod ecop ecpd ecpp ecrc ecrr ecrv eddc edde eddo eddp ede- eder edoc edod edve eede eeee eeke eeoc eerc eero ekco eked ekek eker ekpe ekpo eocd eode eore epcc epec epee eper epoc epod epor eppc eppo eppp epro eprp ercc erce ercp erde erec ered erer erev erke eroc erod eroe eroo erpe errc erre erro erve ever evoe evoo evop evre evvk kccc kccd kcck kccr kccv kcdc kcdd kcdr kcdv kcec kced kcee kceo kcep kckc kckk kcko kckr kckv kcoe kcor kcpc kcpo kcpr kcrc kcro kcrp kcrr kcrv kcvd kcvk kcvo kcvp kcvr kcvv kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdep kdkd kdkk kdko kdkr kdoc kdoe kdok kdov kdpr kdro kdrv kdvr kdvv keck keco kecr kedc kedd kede kedo kedp kedr keed keek keep keer kekc keke keko keok kep- kepc kepd kepe ker- kerc kere kerk kero kerp kerr kerv keve kkcd kkck kkco kkcr kkdc kkdd kkdo kkdv kked kkkk kkoo kkor kkov kkpc kkpk kkrc kkre kkrk kkro kkrr kkrv kkvr kkvv kocd kock kocp kode kodk kodo kodv koed kokc koke kokk koko kokp kokr kooc kook kooo koop koor koov kope kopp kopr korc kord kore kork koro korr korv kovc kove kovk kovo kovr kpcc kpcr kpcv kpdc kpdo kpdr kpek kper kpke kpkk kpkr kpoc kpod kpoe kpok kpoo kpop kppc kppd kppk kppo kppp kppr kppv kprc kprd kpre kprk kpro kprp kprr kprv kpvc kpvr krcc krcd krce krco krdc krdd krde krdo krdr krec kred kree krek kreo krev krkc krkd krke krkk krko krkr krkv kroc krod kroe krok kroo krop kror krov krpr krrc krre krrk krro krrr krvc krve krvk krvo krvr krvv kvcc kvce kvck kvco kvcr kvcv kvdp kvec kver kvoc kvod kvoe kvok kvoo kvop kvor kvov kvrc kvre kvro kvrp kvrr kvrv kvvp kvvr kvvv o-eo occc oce oced ocee ocke ocpd ocpp ocre ocro ocrr oddd oded odeo oder odoo odop odor odrp oec- oecc oedo oeec oere oevp oked oker okko okok okor okpe okpo okre okro oocr ooer oooo oord oore opec oped opep oper opo- opor oppo orce orco orde ordo ore- orec ored orek oreo orer orke orko oro- oroe orok oror orpc orpe orro orve orvr ovde ovee over ovo- ovod ovoo ovpp ovre pccc pcce pcep pcer pcod pcoe pcpp pcrc pcrd pcre pdcp pdkv pdoc pdpr pdrc pece peck peco pecr ped- pede pedo peec peed peek peep peer peev peke pekk peko peor pepd pepe pepo per- perc perd pere perk pero perp perr perv pocd poce pock poco pod- podd pode podo poed poer poke poko pood pook poop poor pop- popc pope popo popp porc pore pork poro porr povo ppcc ppcd ppdk pper ppod pppd pppo pppp pprc prcc prcd prcp pre- prec pred pree prek prep prev pro- proc prod proe proo prop prov prpd prrd pvco pvdc rccc rcdc rcde rcep rcpd rcpo rcrd rcvr rder rdev rdoc rdpc recc recd rece reck recp recr redc redd rede redo redr reed reek reep reev reke reko reod reop repe repo repp repr rerd rere rero revd reve revo revp rocc roce rock roco rodd rode rodo roed roer roev roke rokk roko rokr rood rook roop roor rope ropo rorc rore rork roro rove rovo rpdp rpoe rred rrrr rv-c rved rver vdcc vdcp vdec vder vdre vecc veck vedc vede vedo veep veer veke veor vepe vepr ver- verd vere verk vero veve vevo vkor voce vode vodo voer voke vooc voor vor- vord vore voro vovk vpro vred vreo vroc vver vvvv