-ene c-cd cccc ccdc ccdh ccdn cced ccee ccgc cche ccnc ccne cd-e cdec cdnc cec- cece cedd cede ceec cege cen- cend cene ceng cgcc cgcg cged chce chch chec ched chee cheh chen chgd chge chgn chnc cndd dccc dche dddd dec- decc decd dece dedd dede deed deeg deen dege degh dehn dene deng denn dgeg dgge dghe dhec dhed dhee dnce eccc ecce ecdc eced eche ecne eddc edde ede- edeh eden edge eede eeee eend eeng egcc egcg egec egee egge eggh eghd eghe eghh egne ehcc ehdd eheh ehen ence ench end- ende endh ened enee eneg enge engg ennc enne gc-c gccc gece gedd gede geed geen gege gegg gehn gen- genc gend gene geng genn gggg gghg ghee gheg gncc gngc hccc hcch hcgh hcng hech hedd hede hedg heed heeg hege hegg hegh hehe hehn hend hene heng henh henn hggc hhgg hhhh hnce hndd nccc nccn ncdc ncdn ncec nced ncee ncen nchc nchd ncnc ncnd ndcc ndde necc nece nech nedc nedd nede need neen nege negh nehe nend nene neng nenh ngdc nged ngen nhcc nhnn nngn nnnn