-ene -one cccc ccee ccgc ccnc ccne ccnr ccoc ccrc ccre ccrg cec- cece ceco ceec cege cego cen- cene ceng ceno ceor cer- cerc cere cern cero cgcc cgcg cger cgro cnco cnrc cnrr coce coco coen cogo con- conc cone cong conn cono coon cor- corc core corg corn coro corr crcc crce crcr cre- crec cree creg cren creo crne croc croe cron croo cror eccc ecce ecco ecne eco- ecog econ ecrc ecrr eeee eeng eeoc eerc eerg eero egcc egcg egcr egec egee eger egge eggo egne ego- egon egor egre ence enco enee eneg eneo ener enge engg engo engr ennc enne eno- enoc enoe enon eone eore ercc erce erec eren erer erg- ergg ergo erne erno eroc eroe eron eroo errc erre erro gc-c gccc gcrg gece geen geer gege gegg gego gen- genc gene geng genn geno geo- geog geon gere gern gero gggg ggrn gncc gngc gnoo gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono goog goon goor gore gorg gorn goro gorr grcc grce grec gree greg gren groc grog gron groo gror grrr nccc nccn nccr ncec ncee ncen ncer ncgr ncnc ncoc ncor ncrc ncre necc nece neco necr neen neer nege nego nene neng neno neo- neoc neon neoo nerc nere nero nerr ngen nger ngon ngor nngn nnnn noce noco noer nogg nogo non- none nong nonn nono noo- noon nooo noor nor- norc nore norg norn noro norr nren nroc nron nrrc o-eo occc occn oce ocee ocon ocre ocro ocrr oec- oecc oeec oen- oeno oere ogee ogen oger ogge ogog ogon ogre ogro onc- once onco one- onec onee oneg oneo oner onge ongo onne onno onon onor oocr ooer oone oooo oore orce orco ore- orec oreg oren oreo orer orge orgn orgo ornc orne orno oro- oroe oron oror orro rccc rcgc rcnr rcon rcrg recc rece recr reen rege regn rego regr rene reng renn reno reog rere rerg rero rnco rocc roce roco roeg roen roer roge rogg rogo ronc rone rong rono roog roon roor rorc rore roro rrrr