cccc cccf cccl ccfc ccff ccfl cclc ccnc ccnf ccoc cctc cctl cctt cfcf cfcl cfcn cfco cfln cftc cftk cftl ckck ckcl ckco cklf ckln cknc cknt ckoc ckoo ckot clof clok clon cloo clot cltc cnco cntc cntf cntk 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 cotc cotn coto cott ctcf ctfc ctfo ctol ctot cttn f--k fccf fcnl fcot fcto ffcc ffff fftf flcl flnc floc flok flon floo flot fltk fnlc fock foco fofo folc folk foll folo folt fono font foof fook fool foon foot foto fott ft-c ft-l ftfc k-lo kccc kcck kccl kcct kcfc kcfl kcfn kcfo kcft kckc kckf kckk kckl kckn kcko kclc kclf kclk kcll kcln kclt kcno kcnt kcof kcol kcon kcot kctc kctn kcto kfcf kfco kfff kffk kffn kflc kflf kfll kfln kflo kflt kfnc kfnf kfnk kfnl kfnn kfno kfok kfon kfoo kftc kftk kftt kkck kkcl kkcn kkco kkct kkfn kkft kkkk kklc kklf kkll kkln kklo kknn kkno kknt kkol kkon kkoo kkot kktc kktk kktl klcc klck klcl klcn klfc klff klfn klft klkc klkk klkl klkn klko kllc kllk klnc klnn klno klnt kloc klok klol klon kloo kltc kltf kltk kltn klto kltt knck kncn knco knct knfl knfo knft knkk knkt knlc knlf knlt knnk knoc knok knol knon knot kntk kntn knto kocf kock kocn koct kofc koff kofk kofo koft kokc kokf kokk kokn koko kolc kolf kolk koll koln kolo kolt konc konk kono kont kooc kook kool koon kooo koot kotc kotk kotn koto kott ktcc ktck ktcl ktco ktfc ktfl ktfn ktfo ktkc ktkk ktkn ktko ktkt ktlf ktlk ktln ktlo ktlt ktnc ktnf ktnk ktnl ktnn ktno ktnt ktoc ktok kton ktoo ktot kttc kttf kttk kttn ktto kttt lccc lcfc lctl lcto lfcc llcc lllc llll lloc lloo lnnk lntc locc lock locn loco loff lofn loft lokk loko loll lolo lonk lono lont looc loof look lool loon loot lotl loto lott ltcc ltfc ltnt lttc nccc nccf nccn ncct ncfc nclc ncln ncnc ncoc nctc nfct nfff nfon nftc nfto nkfc nknt nkok nlcc nlcf nnnn nnot nntn nock nocl noco noct noko nolf noll nolo nolt non- nonn nono nont noo- nook nool noon nooo noot not- noto nott ntcc ntfc ntfl ntof ntto occc occn occt oclc ocon oct- octo ofcl off- offc offo ofno okko oklo okno okok okol okon okot okto olcc ollo olof olon olot onc- oncf onco onct onlf onno onon ont- ontc onto ooff oolo oont oooo otcl otfc oto- otof otok oton otoo otto 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 toot totc toto tott ttcn ttfc ttff ttfn tton tttt