-er c-- ccc ccd cce cck cco ccr ccu ccv cdc cdd cde cdk cdo cdr cdu cdv ce- cec ced cee cek ceo cer ceu cev ckc ckd cko co- coc cod coe cok coo cor cou cov crc crd cre crk cro crr cru crv cuc cud cue cuk cuo cur cuu cuv cvc cvd cve cvk cvo cvr cvu cvv dcc dcd dce dck dco dcr dcu dcv ddc ddd dde ddk ddo ddr ddu de- dec ded dee dek deo der deu dev dkc dke dkk dko dkr dku doc dod doe dok doo dor dou dov drc drd dre drk dro drr dru drv duc dud due duk duo dur duv dvc dvd dve dvk dvr dvu ec- ecc ecd ece eck eco ecr ecu ecv ed- edc edd ede edk edo edr edu eec eed eee eek eeo eer eev ekc ekd eke eko ekr eku ekv eo- eoc eod eoe eok eoo eor eou erc erd ere erk ero err eru erv eu- euc eud eue eur euv evc evd eve evo evr evv kcc kcd kce kck kcr kcu kdc kde kdk kdo kdr kdu ke- kec ked kee kek keo ker kev kkc kke kkk kkr kku kkv koc kod koe kok koo kor kou krc krd krk kro krr kru krv kuc kud kue kuk kur kuu kvk kvo kvr kvv oc- occ ocd ock oco ocr ocu ocv odc odd ode odo odr odu odv oec oed oee oeo oer okc okd oke okk oko okr oku oo- ooc ood ook ooo oor oov or- orc ord ore ork oro orr oru orv ou- ouc oud oue ouk ouo our ov- ovc ovd ove ovo ovv rcc rcd rce rco rcr rcu rcv rdc rdd rde rdo rdr rdu rdv re- rec red ree rek reo rer reu rev rkc rke rkk rko rku rkv roc rod roe rok roo ror rou rov rrc rrd rrk rrr rru ruc rud rue ruk ruo rur ruu ruv rvc rvd rve rvo rvr rvu rvv ucc ucd uce uck uco ucr ucu ucv udc udd ude udk udo udr udu udv uec ued uee uer ukc uke ukk ukr uku uoc uod uoe uok uoo uor ur- urc urd ure urk uro urr uru uuc uue uur uuu uvc uve uvo uvu uvv v-e vcc vcd vce vco vcr vcu vdc vdd vde vdk vdo vdr vdu vdv vec ved vee vek veo ver veu voc vod voe vok voo vor vou vov vrc vrd vre vrk vrr vru vue vuk vur vuv vvc vvo vvr vvv

c-cd cccc cccu cccv ccdc ccdr cced ccee ccoc ccod ccrc ccre ccuc ccvo cd-e cd-r cddr cdec cder cdre cdvd cec- cece ceco cedd cede cedo cedu ceec ceke ceor ceou cer- cerc cerd cere cero cevo ckck ckco ckcv ckdo ckdu cker ckoc ckoo ckor ckrc ckrd ckvo coce cock coco cocu codd code coed cok- coke coko cood cook cor- corc cord core cork coro corr coud coue couk cour cove covo crcc crce crcr crdc cre- crec cred cree creo creu crkc croc crod croe crok croo cror crud crue cruk cucc cuce cuck cude cued cuek cuer cuk- cuke curd cure curo curr cuve cvcc cver cvrd cvrr dccc dccu dccv dcrk dcvd dddd ddoc ddrc ddre dec- decc decd dece deck deco dedd dede dedo dedu deed deek deer deev dek- deke deor der- derc dere derk dero derr derv deue deuk deur deve devo dkdc doce dock doco docu dod- dodd dode dodo doek doer doke doko dood dook door dorc dord dore dork doro dorr doru douc doud doue douk dour dove dred dree drek drev drod drou drue druk druu druv duce duck duco dudd dude dudo dudu duer duke duku duo- dure durk duro duru duur duve dvdr dvor eccc ecce ecco ecdc eced ecko eco- ecod ecou ecrc ecrr ecru ecrv eddc edde eddo ede- eder edoc edod edou edru educ edur edve eede eedu eeee eeke eeoc eerc eero ekco eked ekek eker ekur eocd eode eore ercc erce erde erec ered erer erev erke eroc erod eroe eroo errc erre erro eruc erur eruv erve eucd eude euer eur- eurc eure euro ever evoe evoo evre evvk kccc kccd kcck kccr kccu kccv kcdc kcdd kcdr kcdu kcdv kcec kced kcee kceo kceu kckc kckk kcko kckr kckv kcoe kcor kcou kcrc kcro kcrr kcru kcrv kcue kcuk kcvd kcvk kcvo kcvr kcvu kcvv kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdkd kdkk kdko kdkr kdoc kdoe kdok kdov kdro kdrv kduc kdur kduv kdvr kdvv keck keco kecr kedc kedd kede kedo kedr keed keek keer kekc keke keko keku keok ker- kerc kere kerk kero kerr keru kerv keur keve kkcd kkck kkco kkcr kkdc kkdd kkdo kkdv kked kkkk kkoo kkor kkov kkrc kkre kkrk kkro kkrr kkrv kkuu kkvr kkvu kkvv kocd kock kode kodk kodo kodu kodv koed kokc koke kokk koko kokr koku kooc kook kooo koor koou koov korc kord kore kork koro korr koru korv koue kour kouu kovc kove kovk kovo kovr krcc krcd krce krco krcu krdc krdd krde krdo krdr krdu krec kred kree krek kreo kreu krev krkc krkd krke krkk krko krkr krku krkv kroc krod kroe krok kroo kror krov krrc krre krrk krro krrr kruc krue kruk krur krvc krve krvk krvo krvr krvv kucc kucd kuce kuco kucr kucv kudd kude kudo kudu kued kuek kueu kuke kukk kuku kuok kuoo kurd kure kurk kuro kurr kuru kurv kuuk kuur kuuu kuvo kuvr kvcc kvce kvck kvco kvcr kvcu kvcv kvdu kvec kver kvoc kvod kvoe kvok kvoo kvor kvou kvov kvrc kvre kvro kvrr kvrv kvue kvuu kvvr kvvv o-eo occc oce oced ocee ocke ocre ocro ocrr ocur oddd oded odeo oder odoo odor odou odur oec- oecc oedo oeec oere okcu oked oker okko okok okor okre okro okur