-ene -one -yne cccc ccee ccnc ccne ccny ccoc cec- cece ceco ceec ceke cen- cene ceno ceny ckck ckco ckcy cken ckey cknc ckoc ckoo ckoy cnco coce cock coco coen cok- coke coko coky con- conc cone conk conn cono cony cook coon coyn coyo cyc- cycc cyen cyke cyn- cyne cyno cyon cyy- cyyc cyyn eccc ecce ecco ecko ecky ecne eco- econ eeee eeke eeny eeoc ekco ekek eken ekne ence enco ency enee eneo eney enke ennc enne enny eno- enoc enoe enon enoy enye enyo eone eyck eyec eyen eyey eyke eyne kccc kcck kccy kcec kcee kceo kcey kckc kckk kckn kcko kcky kcno kcny kcoe kcon kcye kcyk kcyn kcyy keck keco keek keen kekc keke keko ken- kene kenk kenn keno keok keon keye keyy kkck kkcn kkco kkcy kken kkkk kkne kknn kkno kkon kkoo kkoy kkyc kkyy knce knck kncn knco kncy knec knee knek knen kneo knkk knnk knoc knoe knok knon knye knyk knyn kock kocn koen kokc koke kokk kokn koko koky konc kone konk kono kony kooc kook koon kooo koye koyn koyo koyy kycc kyck kycn kyee kyen kykc kyke kykk kykn kyky kyne kyno kyok kyon kyoo kyoy kyyk kyyo kyyy nccc nccn ncec ncee ncen ncnc ncoc necc nece neck neco necy neen neke neko nene neno neo- neoc neon neoo neye neyn neyo nkok nnnn noce nock noco noke noko non- none nonn nono noo- nook noon nooo noye noyo nycc nyce nyco nycy nyen nyke nyko nyne nyny nyon o-eo occc occn oce ocee ocke ocon oec- oecc oeec oen- oeno oeye oeyo oken okey okko okno okny okok okon okyo onc- once onco one- onec onee onek oneo oney onne onno onon onoy ooky oone oooo oyce oyee oyen oyke oyne oyon yccc ycee yeck yeek yeen yeke yenc yene yeon yeye yeyo ykey ykko ynce ynke ynne ynon yock yoen yoke yoko yoky yone yonk yono yook yoon yoye yoyn yoyo yyyy