bbbb bbcm bbfc bbrc bcbc bccc bccm bcfc bcfm bcof bcor bctc bftt bmfc bmoc bmtc bobb bobo bock bocm boco boff boko bomb bomt boob booc boof book boom boor boot bor- borf bork borm boro borr bort botb boto bott brcb brfc brfm brkb brmc brob broc brok brom broo bror brot brrm brrr brtc btcc btfc btob btor btrc btrt bttb c-bo cbbc cbcc cbcm cbcr cbct cbfb cbfc cbkm cbko cbkr cbot cbrm cbrt cbtc cbtf ccbc cccb cccc cccf cccm ccfc ccff cckm ccmb ccmc ccmm ccob ccoc ccom ccrc ccrf ccrt cctb cctc cctt cfbc cfbr cfbt cfcb cfcf cfcm cfco cffb cffr cfmb cfmo cfom cfor cfrb cfrt cftc cftk cftr ckbc ckck ckcm ckco ckfr ckmo ckob ckoc ckom ckoo ckor ckot ckrc ckrm cktb cmbc cmcc cmfb cmmb cmmc cmoc cmot cmrr cmtc cobb cobo cock coco coct cofc coff coft cok- coko com- comb comc comm como comr coob coof cook coom coot cor- corb corc corf cork corm coro corr cort cotb cotc coto cott crbc crcc crcr crfc crkc crmb crmo crob croc crok crom croo cror crot crrt crtc crtf crtm ctcf ctfc ctfo ctmo ctor ctot ctrc ctrm f--k fbom fccf fcmr fcot fcto ffcc ffff ffrr fftf fobt fock foco fofo fomc fomo fomt foof fook foom foot for- forb fork form foro forr fort fotm foto fott frbc frcc frfc frob from frot ft-c ftfc kbbb kbbc kbbf kbbk kbbm kbbo kbbr kbbt kbcb kbck kbco kbcr kbct kbfb kbfc kbff kbfk kbfm kbfo kbfr kbft kbkb kbkf kbkk kbko kbkr kbmb kbmc kbmo kbmr kbmt kbob kboc kbok kboo kbot kbrb kbrc kbrf kbrk kbro kbrt kbtb kbtc kbtf kbtk kbtm kbto kbtr kbtt kcbc kcbf kcbk kcbr kccb kccc kcck kccr kcct kcfb kcfc kcfm kcfo kcft kckc kckf kckk kckm kcko kckr kcmb kcmc kcmf kcmk kcmm kcmo kcmr kcmt kcob kcof kcom kcor kcot kcrc kcro kcrr kcrt kctb kctc kcto kfbc kfbk kfbt kfcf kfcm kfco kfcr kffb kfff kffk kffm kfkb kfmb kfmf kfmk kfmm kfmo kfmr kfok kfom kfoo kfor kfrc kfrm kfro kfrr kftc kftk kftm kftt kkbb kkbo kkbr kkbt kkcb kkck kkcm kkco kkcr kkct kkfm kkfr kkft kkkk kkmc kkmk kkmo kkmr kkmt kkob kkoo kkor kkot kkrb kkrc kkrf kkrk kkro kkrr kkrt kktc kktk kmbc kmbr kmcb kmcc kmcf kmcm kmco kmcr kmfc kmfm kmfr kmkf kmkk kmko kmkt kmmf kmmk kmmm kmmo kmmr kmmt kmob kmoc kmok kmom kmor kmot kmrb kmrc kmrf kmro kmrr kmtb kmtc kmtk kmtr kmtt kobb kobc kobk kobo kobr kocb kocf kock kocm koct kofc koff kofk kofm kofo koft kokb kokc kokf kokk koko kokr komb komc komo komr komt koob kooc kook kooo koor koot korb korc korf kork koro korr kort kotb kotc kotk kotm koto kotr kott krbb krbk krbm krbr krbt krcb krcc krcm krco krfc krff krfm krfo krft krkc krkk krko krkr krmb krmc krmo krmr krmt krob kroc krof krok krom kroo kror krrb krrc krrf krrk krrm krro krrr krrt krtc krtk krtm krto krtr ktbb ktbc ktbr ktbt ktcc ktck ktcm ktco ktcr ktfb ktfc ktfm ktfo ktkb ktkc ktkk ktko ktkr ktkt ktmb ktmc ktmf ktmk ktmm ktmo ktmr ktmt ktob ktoc ktok ktoo ktor ktot ktrb ktrc ktrf ktrk ktrm ktro ktrr ktrt kttc kttf kttk ktto kttr kttt mcbc mccc mcfc mckk mcmc mcmt mcot mcrc mctc mctk mfbm mfcc mfor mftf mkfc mkfm mkto mmcc mmcm mmct mmff mmmc mmmm mmor mmrc mmrf mobb mobo mock moco moff mofo moko momo moob mooc mook moor moot morb morf mork moro mort motb motm moto mott mr-c mrbb mrbm mrcb mrcc mrfc mrkr mrmc mrrc mrtm mrtt mtbc mtbo mtcr mtfc mtff mtom mtor mtrc mtrr mttr obbo obkb obok obor obot obro ocbc occc occt ocom ocro ocrr oct- octo ofcr off- offc offo offr ofor okko okmo okok okom okor okot okro okto ombo omo- omoo omor omro oocr ooff oooo oort ootb orbb orbo orco orff orko ormo oro- orof orok orom oror orot orro ortc orto otfc oto- otof otok otoo otor otro otto rbbb rbbr rbmk rcbc rcbo rccb rccc rcfc rctc rffc rftc rkkf rob- robb robo robt rocc rock roco rofc roff rofo rokk roko rokr romb romk romm romo roob roof rook room roor root rorc rork roro rort rotc rotk roto rotr rott rrfc rrkm rrmc rrrr rtbf rtcc rtcm rtfb rtfc rtfm rtmc t-mo tbcb tbcc tbrb tccc tcfc tcom tctc tfot tftc tkof tmbc tmbr tmcc tmcm tmmk tmro tmtt tobo tobt tock toco toff tofo toft toko tomb tomm tomo tomt toof took toom toor toot torc torf tork torm toro torr tort totc totm toto totr tott trcc trfc trfm trfr trmb trmk troc trom troo trot trtc trtr ttbb ttfc ttff tttt