-ene -one -yne cccc ccee ccgc ccnc ccne ccnr ccny ccoc ccrc ccre ccrg cec- cece ceco ceec cege cego cen- cene ceng ceno ceny ceor cer- cerc cere cern cero cery cexe ceyx cgcc cgcg cger cgro cnco cnex cnrc cnrr coce coco coen coex cogo con- conc cone cong conn cono cony coon cor- corc core corg corn coro corr cory coxe coxy coyn coyo coyr crcc crce crcr cre- crec cree creg cren creo crex crne croc croe cron croo cror croy cry- cryn cryo cxro cxxx cyc- cycc cyeg cyen cyn- cyne cyno cyon cyre cyy- cyyc cyyn eccc ecce ecco ecne eco- ecog econ ecrc ecrr eeee eeng eeny eeoc eerc eerg eero eery egcc egcg egcr egec egee eger egge eggo eggy egne egnx ego- egon egor egre egry egyo egyr ence enco ency enee eneg eneo ener eney enge engg engo engr ennc enne enny eno- enoc enoe enon enoy enry enye enyo eone eore er-x ercc erce erec eren erer erg- ergg ergo erne erno eroc eroe eron eroo errc erre erro eryc erye eryx exco exec exen exer exge exo- exon exor exrx exxy eyec eyen eyer eyey eyne eyre eyry eyyr gc-c gccc gcrg gece geen geer gege gegg gego gen- genc gene geng genn geno genx geny geo- geog geon geox gere gern gero gery geyn gggg ggrn gncc gngc gnoo gnrc gnrr goce gocr goen goer gogo gon- gone gong gonn gono gony goog goon goor gore gorg gorn goro gorr gory goye grcc grce grec gree greg gren grex grey groc grog gron groo gror groy grrr gry- grye gryn gyer gyge gyn- gyne gyng gyno gyor gyr- gyre gyrn gyro nccc nccn nccr ncec ncee ncen ncer ncgr ncnc ncoc ncor ncrc ncre necc nece neco necr necy neen neer nege nego nene neng neno neo- neoc neon neoo neox nerc nere nero nerr nery nexe nexo nexx neye neyg neyn neyo ngen nger ngon ngor nngn nnnn noce noco noer nogg nogo non- none nong nonn nono nonx noo- noon nooo noor nor- norc nore norg norn noro norr nory noye noyo nren nroc nron nrrc nycc nyce nyco nycy nyen nyer nyne nyny nyon nyro o-eo occc occn oce ocee ocon ocre ocro ocrr oec- oecc oeec oen- oeno oere oeye oeyo ogee ogen oger ogge oggy ogog ogon ogre ogro ogry onc- once onco one- onec onee oneg oneo oner onex oney onge ongo onne onno onon onor onoy onyx oocr ooer oone oooo oore oory orce orco ore- orec oreg oren oreo orer orex orey orge orgn orgo orgy ornc orne orno orny oro- oroe oron oror oroy orro orry oryx oxen oxer oxo- oxon oxox oxxo oxy- oxyn oyce oyee oyen oyer oyne oyon oyre rccc rcgc rcnr rcon rcrg rcyc recc rece recr recy reen rege regn rego regr rene reng renn reno reny reog rere rerg rero rery rexx reye reyn rnco rocc roce roco roeg roen roer roey roge rogg rogo rogy ronc rone rong rono rony roog roon roor roox rorc rore roro rory roxo roxy roye royn rrrr ryen ryge ryne ryng rynn ryon xcon xeer xen- xene xenn xeno xeon xer- xero xexe xnee xoco xong xorg xorn xoro xoxo xoyo xxxo xxxx xxxy xyne xyr- yccc ycee yeen yeer yegg yego yenc yene yeng yeon yeox yere yern yero yerr yery yeye yeyo yeyr ygoe ygon ygor ynce ynge ynne ynon yoen yogo yone yong yono yoon yore yorn yoro yory yoxe yoye yoyn yoyo yren yrne yron yryn yyyy