bbb bbk bbo bbr bbs bbt bbw bkb bkk bko bkr bks bkt bkw bob bok boo bor bos bot bow boz brb brk bro brr brs brt brw brz bsb bsk bso bsr bss bst bsw btb btk bto btr bts btt btw btz bwb bwk bwo bwr bws bzo bzr bzs bzz k-t k-z kbb kbk kbo kbr kbs kbw kbz kkb kkk kkr kks kkt kob kok koo kor kos kot kow koz krk kro krr krs krt krw ksb ksk kso ksr kss kst ksw ktb ktk kto ktr kts ktt ktw kw- kwk kwo kws kwt kww kzo kzw ob- obb obk obo obr obs obt obw okb okk oko okr oks okw oo- oob ook ooo oor oos oot oow or- orb ork oro orr ors ort orz os- osb osk oso osr oss ost osw ot- otb otk oto otr ots ott otw otz owb owk owo ows owt oww ozo ozs ozt ozw ozz rbb rbk rbo rbr rbs rbt rbw rkb rkk rko rks rkt rkz rob rok roo ror ros rot row roz rrb rrk rrr rrs rrt rsb rsk rso rsr rss rst rsw rtb rtk rto rtr rts rtt rtw rtz rwb rwr rws rzb rzo sbb sbk sbo sbr sbs sbt sbw sk- skb skk sko skr sks skt skw sob sok soo sor sos sot sow soz sr- srb srk sro srr srs srt srw ss- ssb ssk sso ssr sss sst ssw ssz stb stk sto str sts stt stw stz swb swk swo swr sws swt szr tbb tbk tbo tbr tbs tbt tbz tkb tkk tko tkr tks tkt tkw tkz to- tob tok too tor tos tot tow toz trb trk tro trr trs trt trw trz tsb tsk tso tsr tss tst tsw ttb ttk tto ttr tts ttt ttw twb two twr tws twt tww tzs wbb wbo wbr wbs wbt wbw wbz wkb wko wkr wks wkt wkw wob wok woo wor wos wot wow woz wr- wrk wro wrr wrs wrt wrw wsb wsk wso wsr wss wst wsw wtb wto wtr wts wtt wtw wtz wwo wwt www wzt zbb zbr zbs zbt zbw zks zo- zob zok zoo zor zos zot zow zro zrs zst zsz ztr zws zzr zzs zzt zzz

bbbb bbbs bbwr bbws bobb bobo bobs bobw boko boks boob book boor boos boot boow booz bor- bork boro borr bors bort borw borz bosk boso boss bost botb boto bots bott botw bowk bowr bows bowt bozo brkb brob brok broo bror bros brot brow broz brrr brrs brsb brsr brst bskt bsos bsts btob btor btrt btss bttb btwo bzow bzrk bzzt bzzz k-os kbbb kbbk kbbo kbbr kbbs kbbt kbbw kbbz kbkb kbkk kbko kbkr kbkw kbkz kbob kbok kboo kbos kbot kbow kboz kbrb kbrk kbro kbrt kbrw kbrz kbsb kbsk kbso kbsr kbss kbst kbsw kbsz kbtb kbtk kbto kbtr kbts kbtt kbtw kbtz kbwb kbww kbwz kbzo kbzs kbzt kbzz kkbb kkbo kkbr kkbs kkbt kkbz kkkk kkob kkoo kkor kkot kkow kkoz kkrb kkrk kkro kkrr kkrs kkrt kkrz kksr kkss kkst kksw kktk kkts kktz kkwb kkwk kkws kkzz kobb kobk kobo kobr kobs kokb kokk koko kokr koks kokz koob kook kooo koor koos koot kooz korb kork koro korr kors kort kos- kosb koso kosr koss kost kosz kotb kotk koto kotr kots kott kotz kowb kowr kowz kozb kozk kozo kozr kozt krbb krbk krbr krbt krbw krbz krkk krko krkr krks krkw krkz krob krok kroo kror kros krow kroz krrb krrk krro krrr krrs krrt krrw krrz krsk krsr krss krst krsw krtk krto krtr krts krtz krwb krwk krwr krzk krzr krzs krzz ksbr ksbs ksbw ksbz kskb kskk ksko kskr ksks kskz ksob ksok ksoo ksor ksos ksow ksrb ksro ksrr ksrs ksrt ksrw ksrz ksso kssr ksss ksst kssz kstb kstk ksto kstr ksts kstt kstw kstz kswb kswo ksws kswt ksww kszr ktbb ktbr ktbt ktbz ktkb ktkk ktko ktkr ktks ktkt ktkz ktob ktok ktoo ktor ktot ktrb ktrk ktro ktrr ktrs ktrt ktrw ktrz ktso ktsr ktst ktsw kttk ktto kttr ktts kttt kttw kttz ktwb ktwo ktws ktzk ktzo ktzr ktzt ktzz kwbt kwbw kwbz kwkb kwkk kwkr kwkw kwkz kwok kwor kwos kwow kwoz kwrb kwrk kwro kwrr kwrs kwrt kwrw kwrz kwsk kwso kwss kwst kwsw kwto kwtr kwts kwtw kwwk kwwr kwws kwwt kzbb kzbk kzbr kzbs kzbt kzbz kzkr kzks kzkz kzoo kzor kzot kzoz kzrb kzrk kzro kzrr kzrs kzrz kzsb kzst kztb kztk kzts kzwb kzzb kzzk kzzo kzzr kzzs kzzt kzzz obbo obkb obok obor obos obot obro obsr obss obst obts okko okok okor okot okro okso okto oooo ooos oort oost ootb oots ootw orbb orbo orbs orko oro- orok oror oros orot oroz orro orrs orsk orso orto orts orwo orzk orzo osoo osor osos osow osro ossb osso ostr osts otbs oto- otok otoo otor otos otow otro otrs otso otto otts otwo owow owt- owtt rbbb rbbr rbbs rbss rbst rkos rkss rkts rob- robb robo robs robt rokk roko rokr roks roob rook roor roos root rooz rork roro rort roso ross rost rotk roto rotr rots rott rowb rowk rowr rows rowt roww rozz rrrr rsos rsts rtss rtts s-os sbbs sbor sbot sbrk sbst sbtk sbwr skor skot skow skrt skss skws sobo sobr sobs sobt sokk soko sook soor soos soot sorb soro sorr sors sort soso soss sost sotk soto sots sotw sowk sowr sows sowt soz- sros srtr ssbr ssot ssrs sssb ssss sstb ssts ssws stbs stks stob stok stoo stor stos stot stow strk stro strs stss sttr swbs swbw swob swoo swor swot swow swss swts szob szot szss tbbs tbrb tbst tkos tkts tobo tobs tobt toko took toor toos toot tork toro torr tors tort tosb tosk toso toss tost toto totr tots tott towk tows tozo troo tros trot