-ene -one cccc cccu ccee ccnc ccne ccnr ccnu ccoc ccrc ccre ccuc cec- cece ceco ceec ceke cen- cene ceno ceor ceou cer- cerc cere cern cero ckck ckco cken cker cknc ckoc ckoo ckor ckrc cnco cnrc cnrr coce cock coco cocu coen cok- coke coko con- conc cone conk conn cono cook coon cor- corc core cork corn coro corr coue couk coun cour crcc crce crcr cre- crec cree cren creo creu crkc crne croc croe crok cron croo cror crue cruk crun cucc cuce cuck cucn cuek cuer cuk- cuke cune cuno cuon cure curn curo curr eccc ecce ecco ecko ecne eco- econ ecou ecrc ecrr ecru eeee eeke eeoc eerc eero ekco ekek eken eker ekne ekur ence enco enee eneo ener enke enkr ennc enne ennu eno- enoc enoe enon enue enur eone eore ercc erce erec eren erer erke erne erno eroc eroe eron eroo errc erre erro eruc erur euer eur- eurc eure euro kccc kcck kccr kccu kcec kcee kceo kceu kckc kckk kckn kcko kckr kcno kcnr kcoe kcon kcor kcou kcrc kcrn kcro kcrr kcru kcue kcuk keck keco kecr keek keen keer kekc keke keko keku ken- kene kenk kenn keno kenr kenu keok keon ker- kerc kere kerk kern kero kerr keru keun keur kkck kkcn kkco kkcr kken kkkk kkne kknn kkno kknu kkon kkoo kkor kkrc kkre kkrk kkrn kkro kkrr kkuu knce knck kncn knco kncr kncu knec knee knek knen kneo kneu knkk knnk knnr knoc knoe knok knon knor knou knrk knro knue knuk knur kock kocn koen kokc koke kokk kokn koko kokr koku konc kone konk kono kooc kook koon kooo koor koou korc kore kork korn koro korr koru koue kour kouu krcc krce krcn krco krcu krec kree krek kren kreo kreu krkc krke krkk krkn krko krkr krku krne krnk krnn krno krnu kroc kroe krok kroo kror krrc krre krrk krrn krro krrr kruc krue kruk krun krur kucc kuce kuco kucr kuek kuen kueu kuke kukk kukn kuku kunc kune kunk kuno kunr kunu kuok kuon kuoo kure kurk kuro kurr kuru kuuk kuur kuuu nccc nccn nccr nccu ncec ncee ncen ncer ncnc ncoc ncor ncrc ncre ncue ncuk necc nece neck neco necr neen neer neke neko neku nene neno nenu neo- neoc neon neoo nerc nere nerk nero nerr neru neuc neue neuk neun neuo neur neuu nkok nkor nnnn noce nock noco noer noke noko non- none nonn nono nonu noo- nook noon nooo noor nor- norc nore nork norn noro norr noun nour nren nroc nron nrrc nuce nuck nucu nuee nuer nuke nuku nunc nune nunk nunn nuno nuoc nuon nurc nure nurn nurr nuru nuuk o-eo occc occn oce ocee ocke ocon ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere okcu oken oker okko okno okok okon okor okre okro okun okur onc- once onco one- onec onee onek oneo oner onne onno onon onor onue onur oocr ooer ooku oone oooo oore orce orco ore- orec orek oren oreo orer orke orko ornc orne orno oro- oroe orok oron oror orro oucc ouen ouer oun- oune our- oure ourn ouro ouu- rccc rcnr rcon recc rece reck recr recu reek reen reke reko rene renk renn reno renu reou rere rero reru reue reuk reuu rnco rocc roce rock roco roen roer roke rokk roko rokr roku ronc rone ronk rono rook roon roor rorc rore rork roro roru roue rouk roun rrrr rrun ruce ruck ruen ruer ruke rukk rukn ruku runc rune runk runn runo ruok rurc rure ruro ruru ruun ucon ucrc ueno ukcc ukek ukeu ukko uknc ukok ukon ukrc ukur uncc unce unco unec unee unen uner unke unkn unko unne unno unon unro uocc uoke uone uor- uore ure- urke urne uro- urok uroo urre uruk urun urur uuen uuno uuoc uuuu