-ene -one -yne cccc cccv ccee ccnc ccne ccnr ccny ccoc ccrc ccre ccvo cec- cece ceco ceec cen- cene ceno ceny ceor cer- cerc cere cern cero cery cevo cevy cnco cnrc cnrr coce coco coen con- conc cone conn cono conv cony coon cor- corc core corn coro corr cory cove covo covy coyn coyo coyr crcc crce crcr cre- crec cree cren creo crne croc croe cron croo cror croy cry- cryn cryo cvcc cven cver cvrr cyc- cycc cyen cyn- cyne cyno cyon cyre cyve cyy- cyyc cyyn eccc ecce ecco ecne eco- econ ecrc ecrr ecrv eeee eeny eeoc eerc eero eery eevn en-v ence enco ency enee eneo ener eney ennc enne enny eno- enoc enoe enon enoy enry envy enye enyo eone eore ercc erce erec eren erer erev erne erno eroc eroe eron eroo errc erre erro erve eryc erye even ever evey evoe evon evoo evre evry eyec eyen eyer eyey eyne eyre eyry eyyr nccc nccn nccr ncec ncee ncen ncer ncnc ncoc ncor ncrc ncre necc nece neco necr necy neen neer neev nene neno neo- neoc neon neoo nerc nere nero nerr nerv nery neve nevo nevy neye neyn neyo nnnn noce noco noer non- none nonn nono noo- noon nooo noor noov nor- norc nore norn noro norr norv nory nov- nove novo novy noye noyo nren nroc nron nrrc nvcc 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 onc- once onco one- onec onee oneo oner oney onne onno onon onor onoy oocr ooer oone oooo oore oory orce orco ore- orec oren oreo orer orey ornc orne orno orny oro- oroe oron oror oroy orro orry orve orvr ovee oven over ovey ovo- ovon ovoo ovre oyce oyee oyen oyer oyne oyon oyre rccc rcnr rcon rcvr rcyc recc rece recr recy reen reev rene renn reno reny rere rero rery reve revo revy reye reyn rnco rocc roce roco roen roer roev roey ronc rone rono rony roon roor rorc rore roro rory rove rovo roye royn rrrr rv-c rver ryen ryne rynn ryon vcon vecc veen veer ven- vene venn veno veny veor ver- vere vern vero very veve vevo vevy veye veyn veyr voce voer vone vonn vooc voor vor- vore voro vory voye vreo vrnn vroc vron vver vvvv vyce vyer vyne vyny vyre yccc ycee yeen yeer yenc yene yeon yere yern yero yerr yery yeve yeye yeyo yeyr ynce ynne ynon yoen yone yono yoon yore yorn yoro yory yove yoye yoyn yoyo yren yrne yron yryn yven yver yvon yvor yyyy