-ene -yne cccc cccu ccee ccnc ccne ccnr ccnu ccny ccrc ccre ccuc cec- cece ceec cen- cene ceny cer- cerc cere cern cery ceyu cnrc cnrr crcc crce crcr cre- crec cree cren creu crne crue crun cry- cryn cucc cuce cucn cuer cune cuny cure curn curr cury cuy- cuyr cyc- cycc cyen cyn- cyne cyre cyun cyy- cyyc cyyn eccc ecce ecne ecrc ecrr ecru eeee eeny eerc eery ence ency enee ener eney ennc enne ennu enny enry enue enur enye ercc erce erec eren erer erne errc erre eruc erur eryc erye euer euny eur- eurc eure eury eyec eyen eyer eyey eyne eyre eyry eyyr nccc nccn nccr nccu ncec ncee ncen ncer ncnc ncrc ncre ncue necc nece necr necy neen neer nene nenu nerc nere nerr neru nery neuc neue neun neur neuu neuy neye neyn nnnn nren nrrc nuce nucu nuee nuer nunc nune nunn nuny nurc nure nurn nurr nuru nycc nyce nycy nyen nyer nyne nyny rccc rcnr rcyc recc rece recr recu recy reen rene renn renu reny rere reru rery reue reuu reye reyn rrrr rrun ruce ruen ruer runc rune runn runy rurc rure ruru ruun ryen ryne rynn ryue ryun ucrc uncc unce unec unee unen uner unne urcy ure- urey urne urre urry urun urur uryn uuen uuuu uuyn uyre yccc ycee ye-u yeen yeer yenc yene yere yern yerr yery yeue yeun yeye yeyr ynce ynne yren yrne yrun yryn yuce yuen yuer yune yuny yure yurn yury yuye yuyu yyyy