-ene cccc ccee ccgc cche cchr ccnc ccne ccnr ccrc ccre ccrg cec- cece ceec cege cen- cene ceng cer- cerc cere cern cgcc cgcg cger chce chch chec chee cheh chen cher chge chgn chnc chnr chrc chrn chrr cnrc cnrr crcc crce crcr cre- crec cree creg creh cren crne eccc ecce eche ecne ecrc ecrr eeee eeng eerc eerg egcc egcg egcr egec egee eger egge eggh eghe eghh egne egre ehcc eheh ehen eher ehre ence ench enee eneg ener enge engg engr ennc enne ercc erce erch erec eren erer erg- ergg ergh erhc erne errc erre gc-c gccc gcrg gece geen geer gege gegg gehn gen- genc gene geng genn gere gern gggg gghg ggrn ghee gheg gncc gngc gnrc gnrr grcc grce grec gree greg gren grrr hccc hcch hcgh hcng hech heeg heer hege hegg hegh hehe hehn hene heng henh henn herc here herg hern herr hggc hhgg hhhh hnce hree hrng hrrc nccc nccn nccr ncec ncee ncen ncer ncgr nchc ncnc ncrc ncre necc nece nech necr neen neer nege negh nehe nene neng nenh nerc nere nerr ngen nger nhcc nhnn nhrc nngn nnnn nren nrrc rccc rcgc rcnr rcrg recc rece rech recr reen rege regn regr rehe rehn rene reng renn rere rerg rhce rhcg rhee rhen rrrr