bbbb bbfc bbfn bblb bbrc bcbc bccc bccl bcfc bcof bcor bctc bffl bftt blbt blfc blkb blno blob bloc blok blon bloo blot blrc bnoc bnor bnrr bobb bobo bock boco boff bokn boko bolk boll boln bolo bolt bonc bonk bonn bono bont boob booc boof book bool boon boor boot bor- borf bork born boro borr bort botb botn boto bott brcb brfc brkb brno brob broc brok brol bron broo bror brot brrr brtc btcc btcl btfc btob btor btrc btrt bttb c-bo cbbc cbcc cbcl cbcn cbcr cbct cbfb cbfc cbkl cbkn cbko cbkr cblb cblc cbln cbol cbot cbrl cbrn cbrt cbtc cbtf cbtl ccbc ccbn cccb cccc cccf cccl ccfc ccff ccfl cclc ccnb ccnc ccnf ccnr ccob ccoc ccrc ccrf ccrl ccrt cctb cctc cctl cctt cfbc cfbn cfbr cfbt cfcb cfcf cfcl cfcn cfco cffb cffr cfln cfnb cfnr cfor cfrb cfrn cfrt cftc cftk cftl cftr ckbc ckck ckcl ckco ckfr cklf ckln cknb cknc cknt ckob ckoc ckoo ckor ckot ckrc cktb clob clof clok clon cloo clor clot clro cltb cltc cnbc cnbl cnco cnrc cnrr cnrt cntc cntf cntk cntr cobb cobo cock coco coct cofc coff coft cok- coko col- colb colk coll coln colo colt con- conc conf conk conn cono cont coob coof cook cool coon coot cor- corb corc corf cork corl corn coro corr cort cotb cotc cotn coto cott crbc crcc crcr crfc crfl crkc crkl crlf crob 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 flnb flnc flob floc flok flon floo flor flot fltk fnlc fntb fobt fock foco fofo folc folk foll folo folr folt fono font foof fook fool foon foot for- forb fork forl forn foro forr fort foto fott frbc frcc frcn frfc frob frol fron frot ft-c ft-l ftfc ftlb k-lo kbbb kbbc kbbf kbbk kbbl kbbo kbbr kbbt kbcb kbck kbcl kbco kbcr kbct kbfb kbfc kbff kbfk kbfl kbfo kbfr kbft kbkb kbkf kbkk kbkl kbko kbkr kblb kblf kbll kblo kblr kblt kbnl kbnn kbno kbnr kbob kboc kbok kbon kboo kbot kbrb kbrc kbrf kbrk kbrl kbrn kbro kbrt kbtb kbtc kbtf kbtk kbtl kbtn kbto kbtr kbtt kcbc kcbf kcbk kcbl kcbr kccb kccc kcck kccl kccr kcct kcfb kcfc kcfl kcfn kcfo kcft kckc kckf kckk kckl kckn kcko kckr kclc kclf kclk kcll kcln kclr kclt kcnb kcno kcnr kcnt kcob kcof kcol kcon kcor kcot kcrc kcrn kcro kcrr kcrt kctb kctc kctn kcto kfbc kfbk kfbn kfbt kfcf kfco kfcr kffb kfff kffk kffn kfkb kflb kflc kflf kfll kfln kflo kflt kfnc kfnf kfnk kfnl kfnn kfno kfok kfon kfoo kfor kfrc kfrn kfro kfrr kftc kftk kftt kkbb kkbl kkbn kkbo kkbr kkbt kkcb kkck kkcl kkcn kkco kkcr kkct kkfn kkfr kkft kkkk kklb kklc kklf kkll kkln kklo kknb kknn kkno kknt kkob kkol kkon kkoo kkor kkot kkrb kkrc kkrf kkrk kkrl kkrn kkro kkrr kkrt kktc kktk kktl klbb klbc klbf klbl klbn klbt klcb klcc klck klcl klcn klcr klfc klff klfn klft klkc klkk klkl klkn klko klkr kllb kllc kllk klnc klnn klno klnt klob kloc klok klol klon kloo klor klrc klrf klrk klrn klrr kltc kltf kltk kltn klto kltr kltt knbb knbc knbn knbr knbt kncb knck kncn knco kncr knct knfl knfo knfr knft knkk knkt knlb knlc knlf knlr knlt knnb knnk knnr knob knoc knok knol knon knor knot knrb knrk knro kntk kntn knto kntr kobb kobc kobk kobn kobo kobr kocb kocf kock kocn koct kofc koff kofk kofo koft kokb kokc kokf kokk kokn koko kokr kolb kolc kolf kolk koll koln kolo kolr kolt konc konk kono kont koob kooc kook kool koon kooo koor koot korb korc korf kork korl korn koro korr kort kotb kotc kotk kotn koto kotr kott krbb krbk krbl krbr krbt krcb krcc krcl krcn krco krfc krff krfn krfo krft krkc krkk krkn krko krkr krlc krlf krln krlt krnb krnk krnn krno krnt krob kroc krof krok krol kroo kror krrb krrc krrf krrk krrl krrn krro krrr krrt krtc krtk krtn krto krtr ktbb ktbc ktbl ktbn ktbr ktbt ktcc ktck ktcl ktco ktcr ktfb ktfc ktfl ktfn ktfo ktkb ktkc ktkk ktkn ktko ktkr ktkt ktlb ktlf ktlk ktln ktlo ktlr ktlt ktnc ktnf ktnk ktnl ktnn ktno ktnt ktob ktoc ktok kton ktoo ktor ktot ktrb ktrc ktrf ktrk ktrl ktrn ktro ktrr ktrt kttc kttf kttk kttn ktto kttr kttt lbcc lblr lbrt lcbc lccc lcfc lcfr lcor lcrl lctl lcto lfcc llcc lllc llll lloc lloo lncr lnnk lntc lob- lobb lobo locc lock locn loco loff lofn loft lokk loko loll lolo lonk lono lonr lont loob looc loof look lool loon loor loot lork lorn loro lotl loto lotr lott lrfc lroc lron lrrc lrrr ltbf ltbl ltcc ltfc ltnt lttc lttr nbbc nbbo nbcc nbco nbfc nbfl ncbc 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 nlrb nnnn nnot nntn nobc nobo nock nocl noco noct noko nolf noll nolo nolt non- nonn nono nont noo- noob nook nool noon nooo noor noot nor- norb norc norf nork norn noro norr nort not- noto nott nrfc nrlb nroc nron nrrc nrrl nrtl ntbc ntcc ntfc ntfl ntof ntrc ntrl ntto nttr obbo obkb obok obol obon obor obot obro ocbc 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 olbo olcc ollo olof olon olor olot onc- oncf onco onct onlf onno onon onor ont- ontc onto oocr ooff oolo oont oooo oort ootb orbb orbo orco orff