-ose cccc cccs cccv ccee ccoc ccrc ccre ccrs ccss ccvo ccvs cec- cece ceco cecs ceec cees ceke ceor ceos cer- cerc cere cero cers cesc cese cesr cess cevo ckck ckco ckcs ckcv cker ckoc ckoo ckor ckos ckrc ckso ckvo coce cock coco coes cok- coke coko cook coos cor- corc core cork coro corr cors cosc cose coso coss cove covo 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 cvcc cver cvrr cvss eccc ecce ecco eces ecko ecks eco- ecos ecrc ecrr ecrv 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 erev erke erks eroc eroe eroo eros errc erre erro errs erse erso erve esce esco escr escs esee esek eseo eser eses eske esko esks eso- esok esos esse esso ever eves evoe evoo evos evre evrs evsc evvk k-os kccc kcck kccr kccv kcec kcee kceo kckc kckk kcko kckr kckv kcoe kcor kcos kcrc kcro kcrr kcrs kcrv kcsc kcse kcsr kcss kcvk kcvo kcvr kcvs kcvv keck keco kecr keek keer kees kekc keke keko keks keok keos ker- kerc kere kerk kero kerr kers kerv kesc kesk keso kesr kess keve kevs kkck kkco kkcr kkcs kkkk kkoo kkor kkov kkrc kkre kkrk kkro kkrr kkrs kkrv kkse kksr kkss kkvr kkvv kock kocs koes kokc koke kokk koko kokr koks kooc kook kooo koor koos koov korc kore kork koro korr kors korv kos- kosc kose koso kosr koss kovc kove kovk kovo kovr krcc krce krco krcs krec kree krek kreo kres krev krkc krke krkk krko krkr krks krkv kroc kroe krok kroo kror kros krov krrc krre krrk krro krrr krrs krsc krse krsk krsr krss krsv krvc krve krvk krvo krvr krvs krvv ksce ksck ksco kscr kscs kscv ksec ksee ksek kseo kser ksev kske kskk ksko kskr ksks ksoc ksok ksoo ksor ksos ksro ksrr ksrs ksrv ksse ksso kssr ksss ksvc ksve ksvr kvcc kvce kvck kvco kvcr kvcs kvcv kvec kver kves kvoc kvoe kvok kvoo kvor kvov kvrc kvre kvro kvrr kvrv kvsc kvso kvsr kvss kvsv kvvr kvvs kvvv 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 orve orvr orvs oscc osce osco osec osee osek oser oses osoo osor osos osov osro osse osso osve ovcs ovee over ovo- ovoo ovre rccc rccs rcos rcsc rcss rcvr rcvs recc rece reck recr recs reek rees reev reke reko reks reos rere rero rers rese reso ress reve revo revs rkos rkss rksv rocc roce rock roco rocs roer roes roev roke rokk roko rokr roks rook roor roos rorc rore rork roro rosc rose roso ross rove rovo rovs rrrr rscc rscs rsee rsos rsre rv-c rver 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 secv seec seek seer sees seke sekk seko seoc seok serc sere serk sero serr sers serv sesc sese seso sess seve skee skeo sker skes skoe skor skov skss soce sock soco socr socs soec soeo soes soke sokk soko sook soor soos sore soro sorr sors sose soso soss sosv sove sovo sovs srcc srec sreo sres sros sscc ssce sscs ssec ssee sses ssoc ssrc ssrs sssc ssss svcc svce svcs svec svor svsc vcrs vecc veck veer vees veke veor ver- vere verk vero vers vesc vese vess veve vevo vkor voce voer voes voke voks vooc voor vor- vore voro vors vose voso voss vovk vreo vroc vrse vsee vses vsoe vssc vsse vver vvvv