-ene -yne cccc ccee ccnc ccne ccnr ccny ccrc ccre cec- cece ceec cen- cene ceny cer- cerc cere cern cery ceze cezy cnnz cnrc cnrr crcc crce crcr crcz cre- crec cree cren crne cry- cryn cryz cyc- cycc cyen cyn- cyne cyre cyy- cyyc cyyn czyz eccc ecce ecne ecrc ecrr eeee eeny eerc eery eeze ence ency enee ener eney enez ennc enne enny enry enye ercc erce erec eren erer erez erne errc erre eryc erye eyec eyen eyer eyey eyez eyne eyre eyry eyyr ezer nccc nccn nccr ncec ncee ncen ncer ncnc ncrc ncre necc nece necr necy neen neer nene nerc nere nerr nery nerz neye neyn nnnn nren nrrc nycc nyce nycy nyen nyer nyne nyny nzcc rccc rcnr rcyc recc rece recr recy recz reen rene renn reny renz rere rery reye reyn reze rrrr ryen ryne rynn ryze yccc ycee yeen yeer yenc yene yere yern yerr yery yeye yeyr ynce ynez ynne yren yrne yryn yyyy yzen zenn zeze znen zrce zrze zyne zzzz