-ene -one -ose cccc cccp cccs ccee cche cchp cchr cchs ccnc ccne ccnp ccnr ccns ccoc ccpe ccpn ccpp ccpr ccps ccrc ccre ccrp ccrs ccsn ccsp ccss cec- cece ceco cecp cecs ceec cees cehs cen- cene ceno cens ceop ceor ceos cepc cepe ceph cepo cepp cepr ceps cer- cerc cere cern cero cerp cers cesc cese cesp cesr cess chce chch chcp chcs chec chee cheh chen chep cher ches chhs chnc chno chnr chns choc choh chon choo chop chor chos chpp chpr chrc chrn chro chrp chrr chrs chsc chse chsh chsr cnco cncp cnep cnes cnhs cnoh cnrc cnrr cnss coce coch coco cocp coen coep coes cohn coho cohs con- conc cone conn cono cons cooh coon coop coos cope coph copo copp copr cops cor- corc core corn coro corp corr cors cosc cose cosh coso cosp coss cpce cpcs cpep cper cphs cpns cpos cpps cpre cprs cpsc cpso cpsr crcc crce crcr cre- crec cree creh cren creo crep cres crhs crne crns croc croe croh cron croo crop cror crpc crps crsp crss cscc csce csch csco cscr cscs csec csee cseh csep cser cshp cshs csne csnp csor csos cspc cspe csps csrc csrs csse cssr eccc ecce ecco eces eche echo echs ecne eco- econ ecop ecos ecpp ecrc ecrr ecsc ecse ecsp ecss eecs eeee eees eehs eens eeoc eeps eerc eero eers eese ehcc eheh ehen eher ehhs ehre ence ench enco encs enee eneo ener enes enhs ennc enne enns eno- enoc enoe enon enos enp- enrs ense enso eoes eone eons eore epcc epch epec epee epen eper epes eph- ephs epns epoc epon epor epos eppc eppo eppp epps epro eprp eprs epsc epsp epss ercc erce erch ercp erec eren erer eres erhc erhs erne erno erns eroc eroe eron eroo eros erpe erps errc erre erro errs erse ersh erso esce esch esco escr escs esee esen eseo eser eses eshs esne eso- esop esos espc espe espn espo espp esps esse essh esso essp hccc hcch hccs hchs hcpc hcps hcrp hcsc hcso hcss hech hecs heep heer hees hehe hehn heho hehs hene henh henn heno hens heor hepc hepe hepp heps herc here hern hero herp herr hers hesc hesh hesp hess hhhh hhhs hhpc hnce hncs hnhs hoce hoch hocn hocr hocs hoen hoer hoes hohe hohn hoho hone hono hons hooe hoon hoop hoor hoos hope hopo hopp hops horc hore horn horo horr hors hose hosh hosp hoss hpcc hphs hppe hpps hpsc hpse hpss hree hrhs hron hros hrpc hrpp hrps hrrc hrso hscc hscn hses hshs hson hsps hsse hssp nccc nccn nccp nccr nccs ncec ncee ncen ncep ncer nces nchc nchs ncnc ncoc ncor ncos ncpc ncrc ncre ncrp ncsc ncse ncss necc nece nech neco necr necs neen neep neer nees nehe nehs nene nenh neno nens neo- neoc neon neoo neos nepc nepe neph nepr neps nerc nere nero nerr ners nesc nese nesh nesn neso nesr ness nhcc nhhs nhnn nhon nhrc nhrp nhsc nnes nnhs nnnn nnos nnpr nnss noce noch noco nocs noer noes nohn noho nohs non- none nonn nono nons noo- noon nooo noop noor noos nope noph nops nor- norc nore norn noro norr nors nos- nose nosh noss npcc npes nphs nppc npsh npss nrcs nren nrhs nroc nron nrpc nrpn nrps nrrc nrsc nrsp nscc nscs nsec nsep nser nshs nsnr nsos nspc nsps nsrc nssc nsse nsso nssp nssr nsss o-eo occc occn oce ocee oche ochs ocon ocos ocpp ocre ocro ocrr ocrs oec- oecc oeec oen- oeno oens oeps oere oers oese ohcc ohee ohen oher ohho ohhs ohne ohno ohoh ohos ohre ohrn ohso ohss onc- once onco one- onec onee oneh oneo onep oner ones onne onno onon onor onos onsc onse onso oocr ooer ooes ooho oohs oone oons oooh oooo ooos oops oore oose opec open opep oper opes ophs opo- opon opor opos oppo opps orce orch orco orcs ore- orec oreh oren oreo orer ores orhe orhs ornc orne orno orns oro- oroe oron oror oros orpc orpe orph orps orro orrs orse orso oscc osce osco osec osee oseh osen oser oses oshc oshe osho oshp oshs osno osnr osoo osor osos osro osse osso pccc pcce pccs pcep pcer pchp pchs pcns pcoe pcos pcpn pcpp pcps pcrc pcre pcse pcso pece pech peco pecr pecs peec peen peep peer pees pehe peho pehr pen- penc pene penh penn peno pens peon peor pepe pepo peps per- perc pere perh pern pero perp perr pers pese peso pess phcc phe- phen phhs phno phoh phon phoo phos phrr phrs phsc pnec pnes pnhs pnon pnpo pnpp pnro pnsc poce poch poco pocs poer poes pohs ponc pone pono ponp pons pooh poon poop poor poos pop- popc pope popo popp pops porc pore porn poro porr pors pose posh posn poso poss ppcc ppcs ppen pper pphs ppos pppn pppo pppp ppps pprc ppsh ppss prcc prcp prcs pre- prec pree pren prep pres prhs prnp pro- proc proe pron proo prop pros prps prrs prsc prse prso prss psco psec pshc pshs psnc psnr psoc pson psos psph pspp pspr psps psrp pssc psse psso rccc rccs rcep rchs rcnr rcon rcos rcpo rcps rcsc rcss recc rece rech recp recr recs reen reep rees rehe rehn rehs rene renn reno rens reop reos repe repo repp repr reps rere rero rers rese resh resn reso resp ress rhce rhcp rhee rhen rheo rhes rhhs rhoc rhoh rhon rhos rnco rncp rncs rnsh rnsp rocc roce roch roco rocs roen roer roes rohe rohn rohr rohs ronc rone rono rons roon roop roor roos rope ropo rops rorc rore roro rosc rose rosh roso rosp ross rpcs rpho rphs rpoe rpon rpos rppn rpps rrhs rrrr rrsp rscc rsch rscn rscs rsee rshs rsnn rsno rsnr rsos