-ene -one -ose -yne cccc cccf cccs ccee ccfc ccff ccnc ccne ccnf ccnr ccns ccny ccoc ccrc ccre ccrf ccrs ccsf ccsn ccss cec- cece ceco cecs ceec cees cef- cefc cefn cen- cene ceno cens ceny ceor ceos cer- cerc cere cerf cern cero cers cery cesc cese cesr cess ceys cfcf cfcn cfco cfcs cfcy cffr cfnr cfns cfor cfos cfre cfrn cfry cfse cfyn cnco cnes cnrc cnrr cnss coce coco coen coes cofc cofe coff cofs con- conc cone conf conn cono cons cony coof coon coos cor- corc core corf corn coro corr cors cory cosc cose coso coss cosy coyf coyn coyo coyr coys crcc crce crcr cre- crec cree cren creo cres crfc crfs crne crns croc croe cron croo cror croy crss cry- cryn cryo crys cscc csce cscf csco cscr cscs csec csee cser csfc csfr csne csny csor csos csrc csrs csse cssr csys cyc- cycc cycs cyen cyfe cyfs cyn- cyne cyno cyon cyre cyrs cyse cyy- cyyc cyyn eccc ecce ecco ecef eces ecfc ecfr ecfs ecne eco- econ ecos ecrc ecrf ecrr ecsc ecse ecss eecs eeee eees eefe eefn eens eeny eeoc eerc eero eers eery eese eesy efco efen efeo efes effs effy efon efor ence enco encs ency enee eneo ener enes eney ennc enne enns enny eno- enoc enoe enon enos enoy enrs enry ense enso enye enyo enys eoes eone eons eore ercc erce erec eren erer eres erfc erfs erne erno erns eroc eroe eron eroo eros errc erre erro errs erse erso eryc erye esce esco escr escs esee esen eseo eser eses esfs esne eso- esos esse esso essy esyn eyec eyen eyer eyes eyey eyne eyre eyry eyse eyyr fccf fces fcsc fece feen feer fees fefc fefe feff fefo fene fenn fens feny feof feon ferc fere fern fero ferr fers fery fese fess feyn feyr feys ffcc ffee ffff ffrr ffss fnrs foce foco focs foer foes fofo fone fono fons fony foof foon foos for- fore forn foro forr fors foso foss foyn foys frcc frcn free fren freo fres frey frfc frns froe fron fros frsc frso frye frys fscc fsec fsfo fssc fssf fyce fyen fyeo fyfe fyne fynn fyre fyrs fyry nccc nccf nccn nccr nccs ncec ncee ncef ncen ncer nces ncfc ncfe ncnc ncoc ncor ncos ncrc ncre ncsc ncse ncsf ncss ncsy necc nece neco necr necs necy neef neen neer nees nefe neff nefs nene neno nens neo- neoc neon neoo neos nerc nere nerf nero nerr ners nery nesc nese nesn neso nesr ness neye neyf neyn neyo neys nfer nfff nfon nfrs nfsr nfyc nnes nnnn nnos nnss noce noco nocs noer noes non- none nonn nono nons noo- noon nooo noor noos nor- norc nore norf norn noro norr nors nory nos- nose noss nosy noye noyo noys nrcs nren nrfc nroc nron nrrc nrsc nscc nscs nsec nser nsfc nsfs nsnr nsof nsos nsrc nssc nsse nssf nsso nssr nsss nycc nyce nyco nycy nyen nyer nyes nyne nyny nyon nyrf nyro nysc nyse nysf nyss o-eo occc occn oce ocee ocef ocon ocos ocre ocro ocrr ocrs ocys oec- oecc oeec oen- oeno oens oere oers oese oeye oeyo ofcr ofen ofer off- offc offe offo offr offs offy ofno ofor ofre onc- once oncf onco one- onec onee oneo oner ones oney onne onno onon onor onos onoy onsc onse onso onys oocr ooer ooes ooff oofs oofy oone oons oooo ooos oore oory oose orce orco orcs ore- orec oren oreo orer ores orey orfe orff orfs ornc orne orno orns orny oro- oroe orof oron oror oros oroy orro orrs orry orse orso orsy orys oscc osce osco osec osee osen oser oses osey osno osnr osny osoo osor osos osro osse osso ossy oyce oyee oyen oyer oyes oyne oyns oyon oyre oyse oyss rccc rccs rcfc rcnr rcon rcos rcsc rcss rcyc recc rece recr recs recy reef reen rees refe reff refn refr refs rene renn reno rens reny reof reos rere rero rers rery rese resn reso ress reye reyn reys rfef rffc rnco rncs rocc roce roco rocs roen roer roes roey rofc rofe roff rofo ronc rone rono rons rony roof roon roor roos rorc rore roro rory rosc rose roso ross rosy roye royn roys rrfc rrrr rscc rscn rscs rscy rsee rsfc rsnn rsno rsnr rsos rsre ryen ryes ryfe ryff ryne rynn ryon rysy ryyf s-os sccc scce sccs sccy scec scee scer scey scfc scfe scnr scon scoo scor scr- scrc scre scrn scrs scry scsc scsn scso scsr scye scyn se-c se-e se-f se-n se-o se-s se-y sec- secc sece secn seco secr secs secy seec seef seen seer sees seey seff sene senn seno senr sens seny seoc seon serc sere serf sern sero serr sers sery sesc sese seso sess seye seyf seyn seys sfcc sfco sfcs sfer sffc sfne sfor sfos sfrc sfro sfss sncc sncf snco snee sner snes snns snoc snoo snor snos snrs snsy snye snys soce soco socr socs socy soec soen soeo soes sofo son- sone sono sons sony soof soon soor soos sooy sore sorn soro sorr sors sory sose soso soss soye soyo soys srcc srec sreo sres srfc srnn srno sros sscc ssce sscs ssec ssee sses ssfc ssns ssoc ssrc ssrs sssc sssf ssss syce syco sycr syen syer syes syfe syff syfy syn- sync syne syns syny syon syre syro syrs syry syse syso syss yccc ycee yeen yeer yees yefe yeff yenc yene yens yeof yeon yeos yere yern yero yerr yers yery yeso yess yeye yeyo yeyr ynce ynes ynne ynon yoen yoff yone yono yons yoof yoon yore yorn yoro yory yoso yoye yoyn yoyo yren yrne yrof yron yryn ysco ysee ysen yser yses yson ysse yyfe yyff yyyy