-ene -yne cccc ccee ccgc ccnc ccne ccnr ccny ccrc ccre ccrg cec- cece ceec cege cen- cene ceng ceny cer- cerc cere cern cery cgcc cgcg cger cnrc cnrr crcc crce crcr cre- crec cree creg cren crne cry- cryn cyc- cycc cyeg cyen cyn- cyne cyre cyy- cyyc cyyn eccc ecce ecne ecrc ecrr eeee eeng eeny eerc eerg eery egcc egcg egcr egec egee eger egge eggy egne egre egry egyr ence ency enee eneg ener eney enge engg engr ennc enne enny enry enye ercc erce erec eren erer erg- ergg erne errc erre eryc erye eyec eyen eyer eyey eyne eyre eyry eyyr gc-c gccc gcrg gece geen geer gege gegg gen- genc gene geng genn geny gere gern gery geyn gggg ggrn gncc gngc gnrc gnrr grcc grce grec gree greg gren grey grrr gry- grye gryn gyer gyge gyn- gyne gyng gyr- gyre gyrn nccc nccn nccr ncec ncee ncen ncer ncgr ncnc ncrc ncre necc nece necr necy neen neer nege nene neng nerc nere nerr nery neye neyg neyn ngen nger nngn nnnn nren nrrc nycc nyce nycy nyen nyer nyne nyny rccc rcgc rcnr rcrg rcyc recc rece recr recy reen rege regn regr rene reng renn reny rere rerg rery reye reyn rrrr ryen ryge ryne ryng rynn yccc ycee yeen yeer yegg yenc yene yeng yere yern yerr yery yeye yeyr ynce ynge ynne yren yrne yryn yyyy