-ene -one -ose cccc cccs ccee ccnc ccne ccnr ccns ccoc ccrc ccre ccrs ccsn ccss cec- cece ceco cecs ceec cees ceke cen- cene ceno cens ceor ceos cer- cerc cere cern cero cers cesc cese cesr cess ckck ckco ckcs cken cker cknc ckns ckoc ckoo ckor ckos ckrc ckso cnco cnes cnrc cnrr cnss coce cock coco coen coes cok- coke coko con- conc cone conk conn cono cons cook coon coos cor- corc core cork corn coro corr cors cosc cose coso coss 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 eccc ecce ecco eces ecko ecks ecne eco- econ ecos ecrc ecrr ecsc ecse ecss eecs eeee eees eeke eeks eens eeoc eerc eero eers eese eesk ekco ekek eken eker ekes ekne ekos ence enco encs enee eneo ener enes enke enkr ennc enne enns eno- enoc enoe enon enos enrs ense enso eoes eone eons eore ercc erce erec eren erer eres erke erks erne erno erns eroc eroe eron eroo eros errc erre erro errs erse erso esce esco escr escs esee esek esen eseo eser eses eske esko esks esne eso- esok esos esse esso k-os kccc kcck kccr kcec kcee kceo kckc kckk kckn kcko kckr kcno kcnr kcns kcoe kcon kcor kcos kcrc kcrn kcro kcrr kcrs kcsc kcse kcsn kcsr kcss 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 kesc kesk kesn keso kesr kess kkck kkcn kkco kkcr kkcs kken kkkk kkne kknn kkno kkns kkon kkoo kkor kkrc kkre kkrk kkrn kkro kkrr kkrs kkse kksn kksr kkss knce knck kncn knco kncr knec knee knek knen kneo knes knkk knnk knnr knns knoc knoe knok knon knor knrk knro knrs knsc knse knsk knsn knso knsr knss kock kocn kocs koen koes kokc koke kokk kokn koko kokr koks konc kone konk kono kooc kook koon kooo koor koos korc kore kork korn koro korr kors kos- kosc kose koso kosr koss krcc krce krcn krco krcs krec kree krek kren kreo kres krkc krke krkk krkn krko krkr krks krne krnk krnn krno kroc kroe krok kroo kror kros krrc krre krrk krrn krro krrr krrs krsc krse krsk krsn krsr krss ksce ksck kscn ksco kscr kscs ksec ksee ksek ksen kseo kser kske kskk kskn ksko kskr ksks ksnc ksnk ksnn ksnr ksns ksoc ksok kson ksoo ksor ksos ksrn ksro ksrr ksrs ksse kssn ksso kssr ksss nccc nccn nccr nccs ncec ncee ncen ncer nces ncnc ncoc ncor ncos ncrc ncre ncsc ncse ncss necc nece neck neco necr necs neen neer nees neke neko nene neno nens neo- neoc neon neoo neos nerc nere nerk nero nerr ners nesc nese nesn neso nesr ness 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 nor- norc nore nork norn noro norr nors nos- nose nosk noss nrcs nren nroc nron nrrc nrsc nscc nscs nsec nser nskk nsnr nsok nsos nsrc nssc nsse nsso nssr nsss 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 oscc osce osco osec osee osek osen oser oses osno osnr osoo osor osos osro osse osso rccc rccs rcnr rcon rcos rcsc rcss recc rece reck recr recs reek reen rees reke reko reks rene renk renn reno rens reos rere rero rers rese resn reso ress rkos rkss rnco rncs rocc roce rock roco rocs roen roer roes roke rokk roko rokr roks ronc rone ronk rono rons rook roon roor roos rorc rore rork roro rosc rose roso ross rrrr rscc rscn rscs rsee rsnn rsno rsnr rsos rsre 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 seec seek seen seer sees seke sekk seko sene senn seno senr sens seoc seok seon serc sere serk sern sero serr sers sesc sese seso sess skee sken skeo sker skes skn- skoe skon skor skss sncc snco snee sner snes snns snoc snoo snor snos snrk snrs soce sock soco socr socs soec soen soeo soes soke sokk sokn soko son- sone sonk sono sons sook soon soor soos sore sorn soro sorr sors sose soso soss srcc srec sreo sres srnn srno sros sscc ssce sscs ssec ssee sses ssns ssoc ssrc ssrs sssc ssss