cccc cccf cccl ccfc ccff ccfl cclc ccnc ccnf ccnr ccoc ccrc ccrf ccrl ccrt cctc cctl cctt cfcf cfcl cfcn cfco cffr cfln cfnr cfor cfrn cfrt cftc cftk cftl cftr ckck ckcl ckco ckfr cklf ckln cknc cknt ckoc ckoo ckor ckot ckrc clof clok clon cloo clor clot clro cltc cnco cnrc cnrr cnrt cntc cntf cntk cntr cock coco coct cofc coff coft cok- coko col- colk coll coln colo colt con- conc conf conk conn cono cont coof cook cool coon coot cor- corc corf cork corl corn coro corr cort cotc cotn coto cott crcc crcr crfc crfl crkc crkl crlf croc crok crol cron croo cror crot crrt crtc crtf crtl ctcf ctfc ctfo ctol ctor ctot ctrc ctrl ctrn cttn f--k fccf fcnl fcot fcto ffcc ffff ffrr fftf flcl flnc floc flok flon floo flor flot fltk fnlc fock foco fofo folc folk foll folo folr folt fono font foof fook fool foon foot for- fork forl forn foro forr fort foto fott frcc frcn frfc frol fron frot ft-c ft-l ftfc k-lo kccc kcck kccl kccr kcct kcfc kcfl kcfn kcfo kcft kckc kckf kckk kckl kckn kcko kckr kclc kclf kclk kcll kcln kclr kclt kcno kcnr kcnt kcof kcol kcon kcor kcot kcrc kcrn kcro kcrr kcrt kctc kctn kcto kfcf kfco kfcr kfff kffk kffn kflc kflf kfll kfln kflo kflt kfnc kfnf kfnk kfnl kfnn kfno kfok kfon kfoo kfor kfrc kfrn kfro kfrr kftc kftk kftt kkck kkcl kkcn kkco kkcr kkct kkfn kkfr kkft kkkk kklc kklf kkll kkln kklo kknn kkno kknt kkol kkon kkoo kkor kkot kkrc kkrf kkrk kkrl kkrn kkro kkrr kkrt kktc kktk kktl klcc klck klcl klcn klcr klfc klff klfn klft klkc klkk klkl klkn klko klkr kllc kllk klnc klnn klno klnt kloc klok klol klon kloo klor klrc klrf klrk klrn klrr kltc kltf kltk kltn klto kltr kltt knck kncn knco kncr knct knfl knfo knfr knft knkk knkt knlc knlf knlr knlt knnk knnr knoc knok knol knon knor knot knrk knro kntk kntn knto kntr kocf kock kocn koct kofc koff kofk kofo koft kokc kokf kokk kokn koko kokr kolc kolf kolk koll koln kolo kolr kolt konc konk kono kont kooc kook kool koon kooo koor koot korc korf kork korl korn koro korr kort kotc kotk kotn koto kotr kott krcc krcl krcn krco krfc krff krfn krfo krft krkc krkk krkn krko krkr krlc krlf krln krlt krnk krnn krno krnt kroc krof krok krol kroo kror krrc krrf krrk krrl krrn krro krrr krrt krtc krtk krtn krto krtr ktcc ktck ktcl ktco ktcr ktfc ktfl ktfn ktfo ktkc ktkk ktkn ktko ktkr ktkt ktlf ktlk ktln ktlo ktlr ktlt ktnc ktnf ktnk ktnl ktnn ktno ktnt ktoc ktok kton ktoo ktor ktot ktrc ktrf ktrk ktrl ktrn ktro ktrr ktrt kttc kttf kttk kttn ktto kttr kttt lccc lcfc lcfr lcor lcrl lctl lcto lfcc llcc lllc llll lloc lloo lncr lnnk lntc locc lock locn loco loff lofn loft lokk loko loll lolo lonk lono lonr lont looc loof look lool loon loor loot lork lorn loro lotl loto lotr lott lrfc lroc lron lrrc lrrr ltcc ltfc ltnt lttc lttr nccc nccf nccn nccr ncct ncfc nclc ncln nclr ncnc ncoc ncor ncrc nctc nctr nfct nfff nfon nftc nfto nkfc nknt nkok nkor nkrf nktr nlcc nlcf nnnn nnot nntn nock nocl noco noct noko nolf noll nolo nolt non- nonn nono nont noo- nook nool noon nooo noor noot nor- norc norf nork norn noro norr nort not- noto nott nrfc nroc nron nrrc nrrl nrtl ntcc ntfc ntfl ntof ntrc ntrl ntto nttr occc occn occt oclc ocon ocrl ocro ocrr oct- octo ofcl ofcr off- offc offo offr ofno ofor okko oklo okno okok okol okon okor okot okro okto olcc ollo olof olon olor olot onc- oncf onco onct onlf onno onon onor ont- ontc onto oocr ooff oolo oont oooo oort orco orff orko orlo ornc orno oro- orof orok oron oror orot orro ortc orto otcl otfc oto- otof otok oton otoo otor otro otto rccc rcfc rcnl rcnr rcon rctc rffc rffl rftc rkkf rnco rnnt rnot rocc rock roco rofc roff rofl rofo rokk roko rokr rolf rolk roll rolo rolt ronc ronk rono ront roof rook rool roon roor root rorc rork roro rort rotc rotk rotl rotn roto rotr rott rrfc rrrr rtcc rtfc rtkn rtlt tccc tcfc tcnn tcon tctc tfot tftc tkof tkol tkon tlco tlon tncc tnfc tnfl tock toco toff tofo toft toko tol- tolk toll tolo tolt tonk tonn tono toof took tool toon toor toot torc torf tork torn toro torr tort totc toto totr tott trcc trcl trfc trfr trno troc tron troo trot trtc trtr ttcn ttfc ttff ttfn tton tttt