-ene -one cccc cccf cccu ccee ccfc ccff ccgc ccnc ccne ccnf ccnr ccnu ccoc ccrc ccre ccrf ccrg ccuc cec- cece ceco ceec cef- cefc cefn cege cego cen- cene ceng ceno ceor ceou cer- cerc cere cerf cern cero cfcf cfcn cfco cffr cfgn cfgo cfnr cfor cfre cfrg cfrn cfun cgcc cgcg cger cgfc cgro cnco cnrc cnrr coce coco cocu coen cofc cofe coff cogo con- conc cone conf cong conn cono coof coon cor- corc core corf corg corn coro corr coue coun cour crcc crce crcr cre- crec cree creg cren creo creu crfc crne croc croe cron croo cror crue crug crun cucc cuce cucn cuer cufc cuff cufo cune cuno cuon cure curf curn curo curr eccc ecce ecco ecef ecfc ecfr ecne eco- ecog econ ecou ecrc ecrf ecrr ecru 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 ennu eno- enoc enoe enon enue enuf enur eone eore ercc erce erec eren erer erfc erg- ergg ergo erne erno eroc eroe eron eroo errc erre erro eruc erur euer eufc euge eur- eurc eure euro fccf fece feen feer fefc fefe feff fefo fege fegg fene feng fenn feof feon ferc fere fern fero ferr feru ffcc ffee ffff ffrr ffun fnuf foce foco foer fofo foge fogg fogn fogo fone fong fono foof foon for- fore forg forn foro forr foug foun four frcc frcn free fren freo frfc froe frog fron frou frue frug frun fuc- fufc fuff fufu fuge fugo fugu fune funf fung fuor fur- fure furg furn furo furr gc-c gccc gccf gcfc gcrg gece geen geer gefe gege gegg gego gen- genc gene genf geng genn geno genu geo- geof geog geon gere gern gero geru geue geun gfcf gfer gfor ggfg gggg ggrn gncc gneu gngc gnof gnoo gnrc gnrr goce gocr goef goen goer gofe goff gofr gofu gogo gon- gone gong gonn gono gonu goof goog goon goor gore gorf gorg gorn goro gorr gou- gouf goug goun gour grcc grce grec gree gref greg gren greu groc grof grog gron groo gror grou grrr grue gruf grug grun grur guen guer gufc guff guge gugg gugu gung gunn gure gurg gurn guro gurr guru nccc nccf nccn nccr nccu ncec ncee ncef ncen ncer ncfc ncfe ncgr ncnc ncoc ncor ncrc ncre ncue necc nece neco necr neef neen neer nefe neff nege nego nene neng neno nenu neo- neoc neon neoo nerc nere nerf nero nerr neru neuc neue neuf neun neuo neur neuu nfcu nfer nfff nfon ngef ngen nger ngon ngor ngou ngur nguu nngn nnnn noce noco noer nogg nogo non- none nong nonn nono nonu noo- noon nooo noor nor- norc nore norf norg norn noro norr noun nour nren nrfc nroc nron nrrc nuce nucu nuee nuer nuff nunc nune nung nunn nuno nuoc nuon nurc nure nurn nurr nuru o-eo occc occn oce ocee ocef ocon ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere oeuf ofcr ofen ofer off- offc offe offo offr offu ofgo ofno ofor ofre ogee ogen oger ogfr ogge ogog ogon ogou ogre ogro ogun onc- once oncf onco one- onec onee oneg oneo oner onge ongo ongu onne onno onon onor onue onur oocr ooer ooff oone oooo oore orce orco ore- orec oreg oren oreo orer orfe orff orfu orge orgn orgo ornc orne orno oro- oroe orof oron oror orro oucc ouen ouer oufc oufe ouff ouge oun- oune oung our- oure ourn ouro ouu- rccc rcfc rcgc rcnr rcon rcrg recc rece recr recu reef reen refe reff refg refn refr refu rege regn rego regr regu rene reng renn reno renu reof reog reou rere rerg rero reru reue reuf reuu 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 roru roue rouf roun rrfc rrrr rrun ruce ruen ruer rufc rufe ruff rufo ruge rugg runc rune runf rung runn runo rurc rure ruro ruru ruun ucon ucrc ueno ufcu ufer uffe ugcc ugcg ugeo uggo ugne ugro ugur uguu uncc unce uncf uncg unco unec unee unef unen uner ungo ungu unne unno unon unrf unro uocc uofg uofo uone uor- uore ure- urfe urff urge urgu urne uro- uroo urre urun urur uuen uuno uuoc uuuu