-ene -one cccc cccp cccu ccee ccgc ccgt ccnc ccne ccnp ccnr ccnu ccoc ccpe ccpn ccpp ccpr ccrc ccre ccrg ccrp ccrt cctc cctt ccuc ccup ccut cec- cece ceco cecp cect ceec cege cego cen- cene ceng ceno cent ceop ceor ceou cepc cepe cepo cepp cepr cept cer- cerc cere cern cero cerp cert cet- cete ceto cetp cgcc cgcg cger cgro cgtp cgtu cnco cncp cnep cnet cnrc cnrr cnrt cntc cntr cnut coce coco cocp coct cocu coen coep cogo con- conc cone cong conn cono cont coon coop coot cope copg copo copp copr copt cor- corc core corg corn coro corp corr cort cotc cote cotn coto cott cotu coue coun coup cour cout cpce cpcu cpep cper cpnt cpre cprt cptp cptr crcc crce crcr cre- crec cree creg cren creo crep cret creu crne croc croe cron croo crop cror crot crpc crrt crtc crtp crue crug crun crup crut ctcp ctec cten ctep ctge ctgu ctne ctor ctot ctpo ctpp ctrc ctrn ctrp cttn cucc cuce cucn cuer cune cuno cunp cunt cuon cupe cupo cupp cupr cure curn curo curr curt cut- cutc cute cuto cutt eccc ecce ecco ecct ecne eco- ecog econ ecop ecot ecou ecpg ecpp ecrc ecrr ecru ect- ectc ecto eeee eeng eent eeoc eerc eerg eero eetc eete eetu egcc egcg egcr egec egee eger egge eggo eggp egne egnt ego- egon egor egot egpe egpn egpo egre egte ence enco enee eneg eneo ener enge engg engo engr ennc enne ennu eno- enoc enoe enon enp- ent- ente ento entp entr enue enur enut eone eont eore eotc eoto epcc epec epee epen eper epoc epon epor epot eppc eppo eppp epro eprp epte ercc erce ercp erec eren erer eret erg- ergg ergo erne erno eroc eroe eron eroo erpe errc erre erro ertu eruc erur etcc etco etec etee eten eter etne etnr etoe eton etre etro ette ettn etto ettu etun euer euge eur- eurc eure euro eurt gc-c gccc gcet gcpc gcrg gctc gece geen geep geer geet gege gegg gego gen- genc gene geng genn geno gent genu geo- geog geon gepe gere gern gero gert geru gete getg geto gett geue geun geup gggg ggpo ggrn gncc gnet gneu gngc gnoo gnpc gnrc gnrr gntp goce gocr goen goer gogo gon- gone gong gonn gono gonu goog goon goop goor goot gopc gope gopo gopu gore gorg gorn goro gorp gorr gort gote goto gott gou- goug goun goup gour gout gper gpgp gpot gprp grcc grce grec gree greg gren grep gret greu groc grog gron groo grop gror grot grou grpc grrr grtc grue grug grun grur grut gtco gtcr gtoe gtop guen guep guer guge gugg gugu gung gunn gunt gure gurg gurn guro gurr gurt guru gute guto gutt gutu n-up nccc nccn nccp nccr ncct nccu ncec ncee ncen ncep ncer ncgr ncnc ncoc ncor ncpc ncrc ncre ncrp nctc ncte nctr ncue necc nece neco necr nect neen neep neer neet nege nego negp nene neng neno nent nenu neo- neoc neon neoo neot nepc nepe nepr nept nerc nere nero nerr nert neru net- nete neto nett neuc neue neun neuo neur neut neuu ngen nger ngon ngor ngou ngpc ngtn ngur nguu nngn nnnn nnot nnpr nntn noce noco noct noer nogg nogo nogt non- none nong nonn nono nont nonu noo- noon nooo noop noor noot nope nor- norc nore norg norn noro norr nort not- note noto nott noun noup nour nout npcc nppc nprt nptc npte nptn nren nroc nron nrpc nrpn nrrc ntcc nter nteu ntnu ntop ntpc ntrc ntru ntto nttr ntuc nuce nucu nuee nuer nunc nune nung nunn nuno nunt nuoc nuon nupe nurc nure nurn nurp nurr nurt nuru nute nutt nutu o-eo occc occn occt oce ocee ocet ocon ocpp ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oen- oeno oere ogee ogen oger ogge ogog ogon ogou ogpu ogre ogro ogun onc- once onco onct one- onec onee oneg oneo onep oner onge ongo ongu onne onno onon onor onpg onpt onpu ont- ontc onto onue onup onur onut oocr ooer oone oont oooo oore oort ootp opec open opep oper opet opng opo- opon opor oppo optn opto orce orco ore- orec oreg oren oreo orer orge orgn orgo ornc orne orno oro- oroe oron oror orot orpc orpe orro ortc orte orto orup otee oten otep oter oto- otoe otog oton otoo otor otpp otre otro otte otto ottu otur oucc ouen ouer ouge oun- oune oung oupe our- oure ourn ouro ourt out- oute outo ouu- pccc pcce pcep pcer pcgg pcnt pcoe pcpn pcpp pcrc pcre pcte pcun pece peco pecr pect peec peen peep peer peet pegg pego pegu pen- penc pene peng penn peno pent penu peon peor peou pepe pepo per- perc pere perg pern pero perp perr pert peru pete petn peto petr pett peun peur peut pgcc pgce pger pgou pgpu pgrc pgup pnec pnet pneu pnon pnot pnpo pnpp pnro pntr pnup poce poco poer poet poge pogg pogo ponc pone pong pono ponp pont poon poop poor poot pop- popc pope popo popp popt porc pore porg porn poro porr port potc pote poto pott potu poun poup pour pout ppcc ppen pper pppn pppo pppp pprc ppru pptn pptt ppur prcc prcp pre- prec pree preg pren prep pret preu prnp pro- proc proe prog pron proo prop prot prou prtc prtp prtr prue prut pruu ptcc pten pter ptop pttc pu-e puce pueo puer puet pueu pugo pugu punc pune pung puno punt punu pupe pupu pur- pure purg puro purp purr puru put- pute puto putt putu puuc rccc rcep rcet rcgc rcnr rcon rcpo rcpt rcrg rctc rctg recc rece recp recr rect recu reen reep reet rege regn rego regr regt regu rene reng renn reno rent renu reog reop