-ene -one -ose cccc cccs cccv ccee ccnc ccne ccnr ccns ccoc ccrc ccre ccrs ccsn ccss ccvo ccvs cec- cece ceco cecs ceec cees ceke cen- cene ceno cens ceor ceos cer- cerc cere cern cero cers cesc cese cesr cess cevo ckck ckco ckcs ckcv cken cker cknc ckns ckoc ckoo ckor ckos ckrc ckso ckvo cnco cnes cnrc cnrr cnss coce cock coco coen coes cok- coke coko con- conc cone conk conn cono cons conv cook coon coos cor- corc core cork corn coro corr cors cosc cose coso coss cove covo crcc crce crcr cre- crec cree cren creo cres crkc crne crns croc croe crok cron croo cror crss cscc csce csco cscr cscs csec csee cser csks csne csor csos csrc csrs csse cssr cvcc cven cver cvrr cvss eccc ecce ecco eces ecko ecks ecne eco- econ ecos ecrc ecrr ecrv ecsc ecse ecss eecs eeee eees eeke eeks eens eeoc eerc eero eers eese eesk eevn ekco ekek eken eker ekes ekne ekos en-v ence enco encs enee eneo ener enes enke enkr ennc enne enns eno- enoc enoe enon enos enrs ense enso ensv envs eoes eone eons eore ercc erce erec eren erer eres erev erke erks erne erno erns eroc eroe eron eroo eros errc erre erro errs erse erso erve esce esco escr escs esee esek esen eseo eser eses eske esko esks esne eso- esok esos esse esso esvn even ever eves evoe evon evoo evos evre evrs evsc evvk k-os kccc kcck kccr kccv kcec kcee kceo kckc kckk kckn kcko kckr kckv kcno kcnr kcns kcnv kcoe kcon kcor kcos kcrc kcrn kcro kcrr kcrs kcrv kcsc kcse kcsn kcsr kcss kcvk kcvo kcvr kcvs kcvv keck keco kecr keek keen keer kees kekc keke keko keks ken- kene kenk kenn keno kenr kens keok keon keos ker- kerc kere kerk kern kero kerr kers kerv kesc kesk kesn keso kesr kess keve kevs kkck kkcn kkco kkcr kkcs kken kkkk kkne kknn kkno kkns kkon kkoo kkor kkov kkrc kkre kkrk kkrn kkro kkrr kkrs kkrv kkse kksn kksr kkss kkvr kkvv knce knck kncn knco kncr knec knee knek knen kneo knes knev knkk knnk knnr knns knoc knoe knok knon knor knrk knro knrs knrv knsc knse knsk knsn knso knsr knss knvn knvo knvr kock kocn kocs koen koes kokc koke kokk kokn koko kokr koks konc kone konk kono kooc kook koon kooo koor koos koov korc kore kork korn koro korr kors korv kos- kosc kose koso kosr koss kovc kove kovk kovo kovr krcc krce krcn krco krcs krec kree krek kren kreo kres krev krkc krke krkk krkn krko krkr krks krkv krne krnk krnn krno krnv kroc kroe krok kroo kror kros krov krrc krre krrk krrn krro krrr krrs krsc krse krsk krsn krsr krss krsv krvc krve krvk krvn krvo krvr krvs krvv ksce ksck kscn ksco kscr kscs kscv ksec ksee ksek ksen kseo kser ksev kske kskk kskn ksko kskr ksks ksnc ksnk ksnn ksnr ksns ksnv ksoc ksok kson ksoo ksor ksos ksrn ksro ksrr ksrs ksrv ksse kssn ksso kssr ksss ksvc ksve ksvn ksvr kvcc kvce kvck kvco kvcr kvcs kvcv kvec kven kver kves kvnc kvne kvnn kvno kvnr kvns kvoc kvoe kvok kvon kvoo kvor kvov kvrc kvre kvro kvrr kvrv kvsc kvso kvsr kvss kvsv kvvn kvvr kvvs kvvv nccc nccn nccr nccs ncec ncee ncen ncer nces ncnc ncoc ncor ncos ncrc ncre ncsc ncse ncss ncvs necc nece neck neco necr necs neen neer nees neev neke neko nene neno nens neo- neoc neon neoo neos nerc nere nerk nero nerr ners nerv nesc nese nesn neso nesr ness neve nevo nkok nkor nnes nnnn nnos nnss noce nock noco nocs noer noes noke noko non- none nonn nono nons noo- nook noon nooo noor noos noov nor- norc nore nork norn noro norr nors norv nos- nose nosk noss nov- nove novo nrcs nren nroc nron nrrc nrsc nrsv nscc nscs nsec nser nskk nsnr nsok nsos nsrc nssc nsse nsso nssr nsss nvcc nvcs nvss o-eo occc occn oce ocee ocke ocks ocon ocos ocre ocro ocrr ocrs oec- oecc oeec oen- oeno oens oere oers oese oken oker okes okko okno okok okon okor okre okro okso onc- once onco one- onec onee onek oneo oner ones onne onno onon onor onos onsc onse onso oocr ooer ooes oone oons oooo ooos oore oose orce orco orcs ore- orec orek oren oreo orer ores orke orko ornc orne orno orns oro- oroe orok oron oror oros orro orrs orse orsk orso orve orvr orvs oscc osce osco osec osee osek osen oser oses osno osnr osoo osor osos osov osro osse osso osve ovcs ovee oven over ovo- ovon ovoo ovre rccc rccs rcnr rcon rcos rcsc rcss rcvr rcvs recc rece reck recr recs reek reen rees reev reke reko reks rene renk renn reno rens reos rere rero rers rese resn reso ress reve revo revs rkos rkss rksv rnco rncs rocc roce rock roco rocs roen roer roes roev roke rokk roko rokr roks ronc rone ronk rono rons rook roon roor roos rorc rore rork roro rosc rose roso ross rove rovo rovs rrrr rscc rscn rscs rsee rsnn rsno rsnr rsos rsre rv-c rver s-os sccc scce sccs scec scee scer sck- scnr scok scon scoo scor scr- scrc scre scrn scrs scsc scsn scso scsr se-c se-e se-k se-n se-o se-s sec- secc sece seck secn seco secr secs secv seec seek seen seer sees seke sekk seko sene senn seno senr sens seoc seok seon serc sere serk sern sero serr sers serv sesc sese seso sess seve skee sken skeo sker skes skn- skoe skon skor skov skss sncc snco snee sner snes snns snoc snoo snor snos snov snrk snrs soce sock soco socr socs soec soen soeo soes soke sokk