bbb bbk bbn bbo bbr bbs bbt bkb bkk bkn bko bkr bks bkt bnb bnk bnn bno bnr bns bnt bob bok bon boo bor bos bot brb brk brn bro brr brs brt bsb bsk bsn bso bsr bss bst btb btk btn bto btr bts btt k-t kbb kbk kbn kbo kbr kbs kkb kkk kkn kkr kks kkt kn- knk knn kno knr knt kob kok kon koo kor kos kot krk krn kro krr krs krt ksb ksk ksn kso ksr kss kst ktb ktk ktn kto ktr kts ktt nbb nbk nbn nbo nbr nbs nbt nkk nkn nko nkr nks nkt nnb nnk nnn nno nns nnt no- nob nok non noo nor nos not nrb nrk nrn nro nrr nrs nrt nsb nsk nsn nso nsr nss nst ntb ntk ntn nto ntr nts ntt ob- obb obk obn obo obr obs obt okb okk oko okr oks on- onb onk onn ono onr ons ont oo- oob ook oon ooo oor oos oot or- orb ork orn oro orr ors ort os- osb osk osn oso osr oss ost ot- otb otk otn oto otr ots ott rbb rbk rbn rbo rbr rbs rbt rkb rkk rko rks rkt rnb rnn rno rnr rns rnt rob rok ron roo ror ros rot rrb rrk rrn rrr rrs rrt rsb rsk rsn rso rsr rss rst rtb rtk rtn rto rtr rts rtt sbb sbk sbn sbo sbr sbs sbt sk- skb skk sko skr sks skt snb snk snn sno snr sns snt sob sok son soo sor sos sot sr- srb srk srn sro srr srs srt ss- ssb ssk ssn sso ssr sss sst stb stk stn sto str sts stt tbb tbk tbn tbo tbr tbs tbt tkb tkk tko tkr tks tkt tnb tnk tnn tno tnr tns tnt to- tob tok ton too tor tos tot trb trk trn tro trr trs trt tsb tsk tsn tso tsr tss tst ttb ttk ttn tto ttr tts ttt

bbbb bbbs bnor bnrr bnss bobb bobo bobs bokn boko boks bonk bonn bono bons bont boob book boon boor boos boot bor- bork born boro borr bors bort bosk bosn boso boss bost botb botn boto bots bott brkb brno brns brob brok bron broo bror bros brot brrr brrs brsb brsr brst bskt bsns bson bsos bsts btob btor btrt btss bttb k-os kbbb kbbk kbbo kbbr kbbs kbbt kbkb kbkk kbko kbkr kbnn kbno kbnr kbob kbok kbon kboo kbos kbot kbrb kbrk kbrn kbro kbrt kbsb kbsk kbsn kbso kbsr kbss kbst kbtb kbtk kbtn kbto kbtr kbts kbtt kkbb kkbn kkbo kkbr kkbs kkbt kkkk kknb kknn kkno kkns kknt kkob kkon kkoo kkor kkot kkrb kkrk kkrn kkro kkrr kkrs kkrt kksn kksr kkss kkst kktk kkts knbb knbn knbr knbt knkk knkt knnb knnk knnr knns knob knok knon knor knot knrb knrk knro knrs knsb knsk knsn knso knsr knss knst kntk kntn knto kntr knts kobb kobk kobn kobo kobr kobs kokb kokk kokn koko kokr koks konk kono kont koob kook koon kooo koor koos koot korb kork korn koro korr kors kort kos- kosb koso kosr koss kost kotb kotk kotn koto kotr kots kott krbb krbk krbr krbt krkk krkn krko krkr krks krnb krnk krnn krno krnt krob krok kroo kror kros krrb krrk krrn krro krrr krrs krrt krsk krsn krsr krss krst krtk krtn krto krtr krts ksbn ksbr ksbs kskb kskk kskn ksko kskr ksks ksnb ksnk ksnn ksnr ksns ksnt ksob ksok kson ksoo ksor ksos ksrb ksrn ksro ksrr ksrs ksrt kssn ksso kssr ksss ksst kstb kstk kstn ksto kstr ksts kstt ktbb ktbn ktbr ktbt ktkb ktkk ktkn ktko ktkr ktks ktkt ktnk ktnn ktno ktns ktnt ktob ktok kton ktoo ktor ktot ktrb ktrk ktrn ktro ktrr ktrs ktrt ktsn ktso ktsr ktst kttk kttn ktto kttr ktts kttt nbbo nknt nkok nkor nktr nnnn nnos nnot nnss nntn nobo nobs noko non- nonn nono nons nont noo- noob nook noon nooo noor noos noot nor- norb nork norn noro norr nors nort nos- nosk noss nost not- noto nots nott nron nrts nsbo nskk nsnr nsok nsos nssb nsso nssr nsss nsts ntsb ntss ntto nttr obbo obkb obok obon obor obos obot obro obsn obsr obss obst obts okko okno okok okon okor okot okro okso okto onno onon onor onos onso onst ont- onto oons oont oooo ooos oort oost ootb oots orbb orbo orbs orko orno orns oro- orok oron oror oros orot orro orrs orsk orso orto orts osno osnr osoo osor osos osro ossb osso ostr osts otbs oto- otok oton otoo otor otos otro otrs otso otto otts rbbb rbbr rbbs rbss rbst rkos rkss rkts rnbr rnnt rnot rob- robb robo robs robt rokk roko rokr roks ronk rono rons ront roob rook roon roor roos root rork roro rort roso ross rost rotk rotn roto rotr rots rott rrrr rsnn rsno rsnr rsos rsts rtkn rtns rtss rtts s-os sbbs sbor sbot sbrk sbst sbtk sbtn skn- skon skor skot skrt skss snns snob snoo snor snos snot snrk snrs sntr sobo sobr sobs sobt sokk sokn soko son- sonk sono sons sont sook soon soor soos soot sorb sorn soro sorr sors sort soso soss sost sotk sotn soto sots srnn srno sros srtr ssbn ssbr ssns ssot ssrs sssb ssss sstb ssts stbs stks stnn stnr stns stob stok ston stoo stor stos stot strk strn stro strs stss sttr tbbs tbrb tbst tkon tkos tkts tnks tnts tobo tobs tobt toko tonb tonk tonn tono tons took toon toor toos toot tork torn toro torr tors tort tosb tosk toso toss tost toto totr tots tott trno tron troo tros trot trst trtr tsks tsob tsos tssr tsst tsts ttbb tton ttss tttt

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