-er c-- ccc cce cck cco ccr ccs ce- cec cee cek ceo cer ces ckc cko cks co- coc coe cok coo cor cos crc cre crk cro crr crs csc cse csk cso csr css ec- ecc ece eck eco ecr ecs eec eee eek eeo eer ees ekc eke eko ekr eks eo- eoc eoe eok eoo eor eos erc ere erk ero err ers es- esc ese esk eso esr ess kcc kce kck kcr kcs ke- kec kee kek keo ker kes kkc kke kkk kkr kks koc koe kok koo kor kos krc krk kro krr krs ksc kse ksk kso ksr kss oc- occ ock oco ocr ocs oec oee oeo oer oes okc oke okk oko okr oks oo- ooc ook ooo oor oos or- orc ore ork oro orr ors os- osc ose osk oso osr oss rcc rce rco rcr rcs re- rec ree rek reo rer res rkc rke rkk rko rks roc roe rok roo ror ros rrc rrk rrr rrs rsc rse rsk rso rsr rss scc sce sck sco scr scs se- sec see sek seo ser ses sk- skc ske skk sko skr sks soc soe sok soo sor sos sr- src sre srk sro srr srs ss- ssc sse ssk sso ssr sss

-ose cccc cccs ccee ccoc ccrc ccre ccrs ccss cec- cece ceco cecs ceec cees ceke ceor ceos cer- cerc cere cero cers cesc cese cesr cess ckck ckco ckcs cker ckoc ckoo ckor ckos ckrc ckso coce cock coco coes cok- coke coko cook coos cor- corc core cork coro corr cors cosc cose coso coss crcc crce crcr cre- crec cree creo cres crkc croc croe crok croo cror crss cscc csce csco cscr cscs csec csee cser csks csor csos csrc csrs csse cssr eccc ecce ecco eces ecko ecks eco- ecos ecrc ecrr ecsc ecse ecss eecs eeee eees eeke eeks eeoc eerc eero eers eese eesk ekco ekek eker ekes ekos eoes eore ercc erce erec erer eres erke erks eroc eroe eroo eros errc erre erro errs erse erso esce esco escr escs esee esek eseo eser eses eske esko esks eso- esok esos esse esso k-os kccc kcck kccr kcec kcee kceo kckc kckk kcko kckr kcoe kcor kcos kcrc kcro kcrr kcrs kcsc kcse kcsr kcss keck keco kecr keek keer kees kekc keke keko keks keok keos ker- kerc kere kerk kero kerr kers kesc kesk keso kesr kess kkck kkco kkcr kkcs kkkk kkoo kkor kkrc kkre kkrk kkro kkrr kkrs kkse kksr kkss kock kocs koes kokc koke kokk koko kokr koks kooc kook kooo koor koos korc kore kork koro korr kors kos- kosc kose koso kosr koss krcc krce krco krcs krec kree krek kreo kres krkc krke krkk krko krkr krks kroc kroe krok kroo kror kros krrc krre krrk krro krrr krrs krsc krse krsk krsr krss ksce ksck ksco kscr kscs ksec ksee ksek kseo kser kske kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksse ksso kssr ksss o-eo occc oce ocee ocke ocks ocos ocre ocro ocrr ocrs oec- oecc oeec oere oers oese oker okes okko okok okor okre okro okso oocr ooer ooes oooo ooos oore oose orce orco orcs ore- orec orek oreo orer ores orke orko oro- oroe orok oror oros orro orrs orse orsk orso oscc osce osco osec osee osek oser oses osoo osor osos osro osse osso rccc rccs rcos rcsc rcss recc rece reck recr recs reek rees reke reko reks reos rere rero rers rese reso ress rkos rkss rocc roce rock roco rocs roer roes roke rokk roko rokr roks rook roor roos rorc rore rork roro rosc rose roso ross rrrr rscc rscs rsee rsos rsre s-os sccc scce sccs scec scee scer sck- scok scoo scor scr- scrc scre scrs scsc scso scsr se-c se-e se-k se-o se-s sec- secc sece seck seco secr secs seec seek seer sees seke sekk seko seoc seok serc sere serk sero serr sers sesc sese seso sess skee skeo sker skes skoe skor skss soce sock soco socr socs soec soeo soes soke sokk soko sook soor soos sore soro sorr sors sose soso soss srcc srec sreo sres sros sscc ssce sscs ssec ssee sses ssoc ssrc ssrs sssc ssss

c-cor ccccc ceco- cecos ceere ceese ceoce ceoor ceose cerc- cerce cerco cercs cerec cerer ceres cerke cero- ceroc ceros cerre cerro cerrs cerse cerss cesce cescr cesko cesse co-co cocc- cocce cocco coceo cocke cocks cocos coers coker cokes cokk- cooee cooer cooke cooks coore coors corce core- coree corer cores corke corks coro- corre corrs corse corso corss cosco cosec coser coses cosse crece creek creer crees creke creo- creos cresc crese creso cress croce crock croco crocs croes croke crooe crook croos crore crose cross crres csere ecker ecser eecke eeeee eeros ekeko ekers ekker eorre erecs erere eresk erkec erkko erkoc eroes eroor eroos erore erose eross erres error erses esces escos esere esker esoko esser esses essor essse kecer kecks keeks keere kekec kerek keres keros kerre kerrs kerse kerss keser kesko kesse ko-ko kocek kocer kocke kocks kocsk koker kokko kokor kokos kokre kooks korck korec korek kores korke koror koros korro korse korso kosec kosor kosse kosso kre-o kreek krees kreke kreo- kresk kress krock kroes kroke kroos kross krsko ocker ockro ocoee ocree ocres ocros oeco- oeses okeke okere okker okoc okoro okose okres oo-er oocre oocss ooooo ooser orcos oreck oreco oreo- oreos orere orero oroco oroer oroke orose oroso orser orses oscre osker ososo osse- ossec osseo osser ossos r-co- recce recco recke recks recos reece reecs reeks reere reese reesk rekke reose rere- reree reres resco resee reses reske resko resor resse ro-ro rocco roces rocke rocko rocks rocor roero roers rokee roker rokes rokke rokkk rokos rooer rooke rooks roore roose rorer rorke rosec rosee roseo roser