-ene -one cccc cccf ccee ccfc ccff ccnc ccne ccnf ccnr ccoc ccrc ccre ccrf ccrt cctc cctt cec- cece ceco cect ceec cef- cefc cefn ceke cen- cene ceno cent ceor cer- cerc cere cerf cern cero cert cet- cete ceto cfcf cfcn cfco cffr cfnr cfor cfre cfrn cfrt cftc cfte cftk cftr ckck ckco cken cker ckfr cknc cknt ckoc ckoo ckor ckot ckrc cnco cnet cnrc cnrr cnrt cntc cntf cntk cntr coce cock coco coct coen cofc cofe coff coft cok- coke coko con- conc cone conf conk conn cono cont coof cook coon coot cor- corc core corf cork corn coro corr cort cotc cote cotn coto cott crcc crce crcr cre- crec cree cren creo cret crfc crkc crne croc croe crok cron croo cror crot crrt crtc crtf ctcf ctec cten ctfc ctfo ctne ctor ctot ctrc ctrn cttn eccc ecce ecco ecct ecef ecfc ecfr ecko ecne eco- econ ecot ecrc ecrf ecrr ect- ectc ectf ecto eeee eefe eefn eeke eent eeoc eerc eero eetc eete efco efen efeo efet efke efon efor eft- ekco ekek eken eker eket ekfc ekne ence enco enee eneo ener enke enkr ennc enne eno- enoc enoe enon ent- ente ento entr eone eont eore eotc eoto ercc erce erec eren erer eret erfc erft erke erne erno eroc eroe eron eroo errc erre erro etcc etco etec etee eten eter etfc etfe etne etnr etoe etok eton etre etro ette ettn etto f--k fccf fcot fcto fece feck fect feek feen feer feet fefc fefe feff fefo feke feko fene fenk fenn fent feof feon ferc fere ferk fern fero ferr fert fete fetr fett ffcc ffee ffff ffrr fftf fnet foce fock foco foer fofo foke fone fono font foof fook foon foot for- fore fork forn foro forr fort fote foto fott frcc frcn free fren freo fret frfc froe fron frot ft-c ften fter ftfc kccc kcck kccr kcct kcec kcee kceo kcet kcfc kcfn kcfo kcft kckc kckf kckk kckn kcko kckr kcno kcnr kcnt kcoe kcof kcon kcor kcot kcrc kcrn kcro kcrr kcrt kctc kcte kctn kcto keck keco kecr keef keek keen keer keet kefc keff kefr keft kekc keke keko ken- kene kenk kenn keno kenr kent keok keon ker- kerc kere kerf kerk kern kero kerr kert ket- ketc kete ketf ketk keto ketr kett kfcf kfco kfcr kfer kfff kffk kffn kfnc kfnf kfnk kfnn kfno kfok kfon kfoo kfor kfrc kfre kfrn kfro kfrr kftc kfte kftk kftt kkck kkcn kkco kkcr kkct kken kkfn kkfr kkft kkkk kkne kknn kkno kknt kkon kkoo kkor kkot kkrc kkre kkrf kkrk kkrn kkro kkrr kkrt kktc kktk knce knck kncn knco kncr knct knec knee knef knek knen kneo knet knfo knfr knft knkk knkt knnk knnr knoc knoe knok knon knor knot knrk knro knte kntk kntn knto kntr kocf kock kocn koct koen kofc kofe koff kofk kofo koft kokc koke kokf kokk kokn koko kokr konc kone konk kono kont kooc kook koon kooo koor koot korc kore korf kork korn koro korr kort kotc kote kotk kotn koto kotr kott krcc krce krcn krco krec kree kref krek kren kreo kret krfc krfe krff krfn krfo krft krkc krke krkk krkn krko krkr krne krnk krnn krno krnt kroc kroe krof krok kroo kror krrc krre krrf krrk krrn krro krrr krrt krtc krtk krtn krto krtr ktcc ktce ktck ktco ktcr ktec ktee ktek kten ktfc ktfn ktfo ktkc ktke ktkk ktkn ktko ktkr ktkt ktnc ktne ktnf ktnk ktnn ktno ktnt ktoc ktoe ktok kton ktoo ktor ktot ktrc ktre ktrf ktrk ktrn ktro ktrr ktrt kttc kttf kttk kttn ktto kttr kttt nccc nccf nccn nccr ncct ncec ncee ncef ncen ncer ncfc ncfe ncnc ncoc ncor ncrc ncre nctc ncte nctr necc nece neck neco necr nect neef neen neer neet nefe neff neke neko nene neno nent neo- neoc neon neoo neot nerc nere nerf nerk nero nerr nert net- nete neto nett nfct nfer nfff nfon nftc nfto nkfc nknt nkok nkor nkrf nktr nnnn nnot nntn noce nock noco noct noer noke noko non- none nonn nono nont noo- nook noon nooo noor noot nor- norc nore norf nork norn noro norr nort not- note noto nott nren nrfc nroc nron nrrc ntcc nter ntfc ntof ntrc ntto nttr o-eo occc occn occt oce ocee ocef ocet ocke ocon ocre ocro ocrr oct- octe octo oec- oecc oeec oen- oeno oere ofcr ofek ofen ofer off- offc offe offo offr ofno ofor ofre oken oker oket okko okno okok okon okor okot okre okro okto onc- once oncf onco onct one- onec onee onek oneo oner onne onno onon onor ont- ontc onto oocr ooer ooff oone oont oooo oore oort orce orco ore- orec orek oren oreo orer orfe orff orke orko ornc orne orno oro- oroe orof orok oron oror orot orro ortc orte orto otee oten oter otfc oto- otoe otof otok oton otoo otor otre otro otte otto rccc rcet rcfc rcnr rcon rctc recc rece reck recr rect reef reek reen reet refe reff refn refr reft reke reko rekt rene renk renn reno rent reof reot rere rero rert rete reto retr rett rfef rffc rftc rkkf rnco rnnt rnot rocc roce rock roco roen roer roet rofc rofe roff rofo roke rokk roko rokr ronc rone ronk rono ront roof rook roon roor root rorc rore rork roro rort rotc rote rotk rotn roto rotr rott rrfc rrrr rtcc rtce rtee rtfc rtkn tccc tcfc tcnn tcon tctc teck teco tecr tect teec teef teek teen teer teet tefc teff teft teke tenc tene tenk tenn teno tent teok teon teor ter- terc tere terf terk tern tero terr tete teto tetr tett tfec tfot tftc tkof tkon tncc tnef tnfc toce tock toco toee toek toen toer toet toff tofo toft toke toko tone