-ene -one cccc cccp cccu ccee ccgc ccnc ccne ccnp ccnr ccnu ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrg ccrp ccuc ccup cec- cece ceco cecp ceec cege cego cen- cene ceng ceno ceop ceor ceou cepc cepe cepo cepp cepr cer- cerc cere cern cero cerp cgcc cgcg cger cgro cnco cncp cnep cnrc cnrr coce coco cocp cocu coen coep cogo con- conc cone cong conn cono coon coop cope copg copo copp copr cor- corc core corg corn coro corp corr coue coun coup cour cpce cpcu cpep cper cpre crcc crce crcr cre- crec cree creg cren creo crep creu crne croc croe cron croo crop cror crpc crue crug crun crup cucc cuce cucn cuer cune cuno cunp cuon cupe cupo cupp cupr cure curn curo curr eccc ecce ecco ecne eco- ecog econ ecop ecou ecpg ecpp ecrc ecrr ecru eeee eeng eeoc eerc eerg eero egcc egcg egcr egec egee eger egge eggo eggp egne ego- egon egor egpe egpn egpo egre ence enco enee eneg eneo ener enge engg engo engr ennc enne ennu eno- enoc enoe enon enp- enue enur eone eore epcc epec epee epen eper epoc epon epor eppc eppo eppp epro eprp ercc erce ercp erec eren erer erg- ergg ergo erne erno eroc eroe eron eroo erpe errc erre erro eruc erur euer euge eur- eurc eure euro gc-c gccc gcpc gcrg gece geen geep geer gege gegg gego gen- genc gene geng genn geno genu geo- geog geon gepe gere gern gero geru geue geun geup gggg ggpo ggrn gncc gneu gngc gnoo gnpc gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono gonu goog goon goop goor gopc gope gopo gopu gore gorg gorn goro gorp gorr gou- goug goun goup gour gper gpgp gprp grcc grce grec gree greg gren grep greu groc grog gron groo grop gror grou grpc grrr grue grug grun grur guen guep guer guge gugg gugu gung gunn gure gurg gurn guro gurr guru n-up nccc nccn nccp nccr nccu ncec ncee ncen ncep ncer ncgr ncnc ncoc ncor ncpc ncrc ncre ncrp ncue necc nece neco necr neen neep neer nege nego negp nene neng neno nenu neo- neoc neon neoo nepc nepe nepr nerc nere nero nerr neru neuc neue neun neuo neur neuu ngen nger ngon ngor ngou ngpc ngur nguu nngn nnnn nnpr noce noco noer nogg nogo non- none nong nonn nono nonu noo- noon nooo noop noor nope nor- norc nore norg norn noro norr noun noup nour npcc nppc nren nroc nron nrpc nrpn nrrc nuce nucu nuee nuer nunc nune nung nunn nuno nuoc nuon nupe nurc nure nurn nurp nurr nuru o-eo occc occn oce ocee ocon ocpp ocre ocro ocrr ocur oec- oecc oeec oen- oeno oere ogee ogen oger ogge ogog ogon ogou ogpu ogre ogro ogun onc- once onco one- onec onee oneg oneo onep oner onge ongo ongu onne onno onon onor onpg onpu onue onup onur oocr ooer oone oooo oore opec open opep oper opng opo- opon opor oppo orce orco ore- orec oreg oren oreo orer orge orgn orgo ornc orne orno oro- oroe oron oror orpc orpe orro orup oucc ouen ouer ouge oun- oune oung oupe our- oure ourn ouro ouu- pccc pcce pcep pcer pcgg pcoe pcpn pcpp pcrc pcre pcun pece peco pecr peec peen peep peer pegg pego pegu pen- penc pene peng penn peno penu peon peor peou pepe pepo per- perc pere perg pern pero perp perr peru peun peur pgcc pgce pger pgou pgpu pgrc pgup pnec pneu pnon pnpo pnpp pnro pnup poce poco poer poge pogg pogo ponc pone pong pono ponp poon poop poor pop- popc pope popo popp porc pore porg porn poro porr poun poup pour ppcc ppen pper pppn pppo pppp pprc ppru ppur prcc prcp pre- prec pree preg pren prep preu prnp pro- proc proe prog pron proo prop prou prue pruu pu-e puce pueo puer pueu pugo pugu punc pune pung puno punu pupe pupu pur- pure purg puro purp purr puru puuc rccc rcep rcgc rcnr rcon rcpo rcrg recc rece recp recr recu reen reep rege regn rego regr regu rene reng renn reno renu reog reop reou repe repo repp repr repu rere rerg rero reru reue reup reuu rnco rncp rocc roce roco roeg roen roer roge rogg rogo ronc rone rong rono roog roon roop roor rope ropo rorc rore roro roru roue roun roup rpoe rpon rppn rrrr rrun ruce ruen ruer ruge rugg runc rune rung runn runo rupe rupp rurc rure ruro rurp ruru ruun u-rp uccp ucon ucrc ueno ugcc ugcg ugeo ugep uggo ugne ugro ugur uguu uncc unce uncg unco uncp unec unee unen uner ungo ungp ungu unne unno unon unop unpc unro uocc uone uor- uore upen upgo upne upnp upon upor uppc uppe uppp uppu upup ure- urge urgu urne uro- uroo urpo urre urun urup urur uucp uuen uuno uuoc uuuu