-ene -one cccc cccu ccee ccgc ccnc ccne ccnr ccnu ccoc ccrc ccre ccrg ccuc cec- cece ceco ceec cege cego cen- cene ceng ceno ceor ceou cer- cerc cere cern cero cgcc cgcg cger cgro cnco cnrc cnrr coce coco cocu coen cogo con- conc cone cong conn cono coon cor- corc core corg corn coro corr coue coun cour crcc crce crcr cre- crec cree creg cren creo creu crne croc croe cron croo cror crue crug crun cucc cuce cucn cuer cune cuno cuon cure curn curo curr eccc ecce ecco ecne eco- ecog econ ecou ecrc ecrr ecru 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 ennu eno- enoc enoe enon enue enur eone eore ercc erce erec eren erer erg- ergg ergo erne erno eroc eroe eron eroo errc erre erro eruc erur euer euge eur- eurc eure euro gc-c gccc gcrg gece geen geer gege gegg gego gen- genc gene geng genn geno genu geo- geog geon gere gern gero geru geue geun gggg ggrn gncc gneu gngc gnoo gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono gonu goog goon goor gore gorg gorn goro gorr gou- goug goun gour grcc grce grec gree greg gren greu groc grog gron groo gror grou grrr grue grug grun grur guen guer guge gugg gugu gung gunn gure gurg gurn guro gurr guru nccc nccn nccr nccu ncec ncee ncen ncer ncgr ncnc ncoc ncor ncrc ncre ncue necc nece neco necr neen neer nege nego nene neng neno nenu neo- neoc neon neoo nerc nere nero nerr neru neuc neue neun neuo neur neuu 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 norg norn noro norr noun nour nren nroc nron nrrc nuce nucu nuee nuer nunc nune nung nunn nuno nuoc nuon nurc nure nurn nurr nuru o-eo occc occn oce ocee ocon ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere ogee ogen oger ogge ogog ogon ogou ogre ogro ogun onc- once onco one- onec onee oneg oneo oner onge ongo ongu onne onno onon onor onue onur oocr ooer oone oooo oore orce orco ore- orec oreg oren oreo orer orge orgn orgo ornc orne orno oro- oroe oron oror orro oucc ouen ouer ouge oun- oune oung our- oure ourn ouro ouu- rccc rcgc rcnr rcon rcrg recc rece recr recu reen rege regn rego regr regu rene reng renn reno renu reog reou rere rerg rero reru reue reuu rnco rocc roce roco roeg roen roer roge rogg rogo ronc rone rong rono roog roon roor rorc rore roro roru roue roun rrrr rrun ruce ruen ruer ruge rugg runc rune rung runn runo rurc rure ruro ruru ruun ucon ucrc ueno ugcc ugcg ugeo uggo ugne ugro ugur uguu uncc unce uncg unco unec unee unen uner ungo ungu unne unno unon unro uocc uone uor- uore ure- urge urgu urne uro- uroo urre urun urur uuen uuno uuoc uuuu