-ene -one -ose cccc cccf cccp cccs ccee ccfc ccff ccnc ccne ccnf ccnp ccnr ccns ccoc ccpe ccpn ccpp ccpr ccps ccrc ccre ccrf ccrp ccrs ccrt ccsf ccsn ccsp ccss ccst cctc cctt cec- cece ceco cecp cecs cect ceec cees cef- cefc cefn cen- cene ceno cens cent ceop ceor ceos cepc cepe cepo cepp cepr ceps cept cer- cerc cere cerf cern cero cerp cers cert cesc cese cesp cesr cess cest cet- cete ceto cetp cets cfcf cfcn cfco cfcs cffr cfnr cfns cfor cfos cfpo cfpr cfps cfre cfrn cfrp cfrt cfse cftc cfte cftr cnco cncp cnep cnes cnet cnrc cnrr cnrt cnss cntc cntf cntr coce coco cocp coct coen coep coes cofc cofe coff cofs coft con- conc cone conf conn cono cons cont coof coon coop coos coot cope copo copp copr cops copt cor- corc core corf corn coro corp corr cors cort cosc cose coso cosp coss cost cotc cote cotn coto cots cott cpce cpcs cpep cper cpff cpft cpns cpnt cpos cpps cpre cprs cprt cpsc cpso cpsr cptp cptr cpts crcc crce crcr cre- crec cree cren creo crep cres cret crfc crfs crne crns croc croe cron croo crop cror crot crpc crps crrt crsp crss crst crtc crtf crtp crts cscc csce cscf csco cscr cscs csec csee csep cser cset csfc csfr csne csnp csor csos csot cspc cspe csps cspt csrc csrs csse cssr cstc csto cstr csts ctcf ctcp ctec cten ctep ctfc ctfo ctfs ctne ctns ctor ctos ctot ctpo ctpp ctps ctrc ctrn ctrp ctrs ctsc ctsn ctss cttn ctts eccc ecce ecco ecct ecef eces ecfc ecfr ecfs ecne eco- econ ecop ecos ecot ecpp ecrc ecrf ecrr ecsc ecse ecsp ecss ect- ectc ectf ecto ects eecs eeee eees eefe eefn eens eent eeoc eeps eerc eero eers eese eetc eete eets efco efen efeo efes efet effs efon efor eft- eftp efts ence enco encs enee eneo ener enes enfp ennc enne enns eno- enoc enoe enon enos enp- enrs ense enso enst ent- ente ento entp entr ents eoes eone eons eont eore eost eotc eoto eots epcc epec epee epen eper epes epfc epns epoc epon epor epos epot eppc eppo eppp epps epro eprp eprs epsc epsf epsp epss epte ercc erce ercp erec eren erer eres eret erfc erfs erft erne erno erns eroc eroe eron eroo eros erpe erps errc erre erro errs erse erso erst erts esce esco escr escs esee esen eseo eser eses eset esfp esfs esne eso- esop esos espc espe espn espo espp esps esse esso essp esst estc este esto estp estr ests etcc etco etcs etec etee eten eter etes etfc etfe etne etnr etns etoe eton etos etre etro ette ettn etto fccf fccp fces fcot fcps fcsc fcst fcto fece fect feen feer fees feet fefc fefe feff fefo fene fenn fens fent feof feon fepc feps ferc fere fern fero ferr fers fert fese fess fest fete fetp fetr fets fett ffcc ffee ffff ffps ffrr ffss fftf fnet fnrs fnsp foce foco focs foer foes fofo fone fono fons font foof foon foos foot fopp fops for- fore forn foro forr fors fort foso foss fost fote foto fotp fots fott fp-c fpcc fpct fprf frcc frcn frcp free fren freo frep fres fret frfc frns froe fron frop fros frot frps frsc frso frst fscc fsec fsfo fspc fspf fssc fssf fssp ft-c ften fter ftfc ftop ftos ftpe ftps ftrs ftse ftsr nccc nccf nccn nccp nccr nccs ncct ncec ncee ncef ncen ncep ncer nces ncfc ncfe ncnc ncoc ncor ncos ncpc ncrc ncre ncrp ncsc ncse ncsf ncss ncst nctc ncte nctr necc nece neco necr necs nect neef neen neep neer nees neet nefe neff nefs nene neno nens nent neo- neoc neon neoo neos neot nepc nepe nepr neps nept nerc nere nerf nero nerr ners nert nesc nese nesn neso nesr ness nest net- nete neto nets nett nfct nfer nfff nfon nfps nfrs nfsr nftc nfto nnes nnnn nnos nnot nnpr nnss nntn noce noco nocs noct noer noes non- none nonn nono nons nont noo- noon nooo noop noor noos noot nope nops nor- norc nore norf norn noro norr nors nort nos- nose noss nost not- note noto nots nott npcc npes nppc nprt npss nptc npte nptn nrcs nren nrfc nroc nron nrpc nrpn nrps nrrc nrsc nrsp nrts nscc nscs nsec nsep nser nsfc nsfs nsnr nsof nsos nspc nsps nsrc nssc nsse nssf nsso nssp nssr nsss nstc nstp nsts ntcc nter ntes ntfc ntfp ntfs ntof ntop ntpc ntrc ntsc ntsf ntss ntto nttr o-eo occc occn occt oce ocee ocef ocet ocfp ocon ocos ocpp ocre ocro ocrr ocrs oct- octe octo octs oec- oecc oeec oen- oeno oens oeps oere oers oese oest ofcr ofen ofer off- offc offe offo offr offs ofno ofor ofre ofst oftp onc- once oncf onco onct one- onec onee oneo onep oner ones onne onno onon onor onos onpt onsc onse onso onst ont- ontc onto oocr ooer ooes ooff oofs oone oons oont oooo ooos oops oore oort oose oost ootp oots opec open opep oper opes opet opo- opon opor opos oppo opps optn opto opts orce orco orcs ore- orec oren oreo orer ores orfe orff orfs ornc orne orno orns oro- oroe orof oron oror oros orot orpc orpe orps orro orrs orse orso ortc orte orto orts oscc osce osco osec osee osen oser oses oset osno osnr osoo osor osos osro osse osso ostc oste ostr osts otee oten otep oter otes otfc otfp oto- otoe otof oton otoo otor otos otpp otre otro otrs otse otso otte otto otts pccc pcce pccs pcep pcer pcfc pcns pcnt pcoe pcos pcpn pcpp pcps pcrc pcre pcrf pcse pcso pcte pcts pece peco pecr pecs pect peec peen peep peer pees peet