-ene -one cccc cccf ccee ccfc ccff ccgc ccnc ccne ccnf ccnr ccoc ccrc ccre ccrf ccrg cec- cece ceco ceec cef- cefc cefn cege cego cen- cene ceng ceno ceor cer- cerc cere cerf cern cero cfcf cfcn cfco cffr cfgn cfgo cfnr cfor cfre cfrg cfrn cgcc cgcg cger cgfc cgro cnco cnrc cnrr coce coco coen cofc cofe coff cogo con- conc cone conf cong conn cono coof coon cor- corc core corf corg corn coro corr crcc crce crcr cre- crec cree creg cren creo crfc crne croc croe cron croo cror eccc ecce ecco ecef ecfc ecfr ecne eco- ecog econ ecrc ecrf ecrr eeee eefe eefn eeng eeoc eerc eerg eero ef-g efco efen efeo efon efor egcc egcg egcr egec egee eger egfr 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 erfc erg- ergg ergo erne erno eroc eroe eron eroo errc erre erro fccf fece feen feer fefc fefe feff fefo fege fegg fene feng fenn feof feon ferc fere fern fero ferr ffcc ffee ffff ffrr foce foco foer fofo foge fogg fogn fogo fone fong fono foof foon for- fore forg forn foro forr frcc frcn free fren freo frfc froe frog fron gc-c gccc gccf gcfc gcrg gece geen geer gefe gege gegg gego gen- genc gene genf geng genn geno geo- geof geog geon gere gern gero gfcf gfer gfor ggfg gggg ggrn gncc gngc gnof gnoo gnrc gnrr goce gocr goef goen goer gofe goff gofr gogo gon- gone gong gonn gono goof goog goon goor gore gorf gorg gorn goro gorr grcc grce grec gree gref greg gren groc grof grog gron groo gror grrr nccc nccf nccn nccr ncec ncee ncef ncen ncer ncfc ncfe ncgr ncnc ncoc ncor ncrc ncre necc nece neco necr neef neen neer nefe neff nege nego nene neng neno neo- neoc neon neoo nerc nere nerf nero nerr nfer nfff nfon ngef ngen nger ngon ngor nngn nnnn noce noco noer nogg nogo non- none nong nonn nono noo- noon nooo noor nor- norc nore norf norg norn noro norr nren nrfc nroc nron nrrc o-eo occc occn oce ocee ocef ocon ocre ocro ocrr oec- oecc oeec oen- oeno oere ofcr ofen ofer off- offc offe offo offr ofgo ofno ofor ofre ogee ogen oger ogfr ogge ogog ogon ogre ogro onc- once oncf onco one- onec onee oneg oneo oner onge ongo onne onno onon onor oocr ooer ooff oone oooo oore orce orco ore- orec oreg oren oreo orer orfe orff orge orgn orgo ornc orne orno oro- oroe orof oron oror orro rccc rcfc rcgc rcnr rcon rcrg recc rece recr reef reen refe reff refg refn refr rege regn rego regr rene reng renn reno reof reog rere rerg rero rfef rffc rnco rocc roce roco roeg roen roer rofc rofe roff rofo roge rogg rogo ronc rone rong rono roof roog roon roor rorc rore roro rrfc rrrr