b-u bbb bbc bbn bbo bbr bbs bbt bbu bby bcb bcc bcn bco bcr bcs bct bcu bcy bnb bnc bnn bno bnr bns bnt bnu bob boc bon boo bor bos bot bou boy brb brn bro brr brs brt bru bry bsb bsc bsn bso bsr bss bst bsu bsy btb btc btn bto btr bts btt btu bty bub buc bun buo bur bus but buu buy by- byc byn byo byr bys byt byu c-- cbb cbc cbn cbo cbr cbs cbt cbu cby ccb ccc ccn cco ccr ccs cct ccu cn- cnb cnc cnn cno cnr cns cnt cnu cny co- cob coc con coo cor cos cot cou coy crb crc crn cro crr crs crt cru cry csb csc csn cso csr css cst csu csy ctb ctc ctn cto ctr cts ctt ctu cty cub cuc cun cuo cur cus cut cuu cuy cyb cyc cyn cyo cyr cys cyt nbb nbc nbn nbo nbr nbs nbt nbu ncb ncc ncn nco ncr ncs nct ncu nnb nnc nnn nno nns nnt nnu no- nob noc non noo nor nos not nou noy nrb nrc nrn nro nrr nrs nrt nru nry nsb nsc nsn nso nsr nss nst nsu nsy ntb ntc ntn nto ntr nts ntt ntu nub nuc nun nuo nur nus nut nuu nuy nyc nyn nyo nys nyt nyu nyy ob- obb obc obn obo obr obs obt obu oby oc- ocb occ ocn oco ocr ocs oct ocu on- onb onc onn ono onr ons ont onu ony oo- oob ooc oon ooo oor oos oot or- orb orc orn oro orr ors ort oru ory os- osb osc osn oso osr oss ost osu ot- otb otc otn oto otr ots ott otu ou- ouc oun ouo our ous out oyo oys rbb rbc rbn rbo rbr rbs rbt rbu rcb rcc rcn rco rcr rcs rct rcu rnb rnc rnn rno rnr rns rnt rnu rny rob roc ron roo ror ros rot rou roy rrb rrc rrn rrr rrs rrt rru rsb rsc rsn rso rsr rss rst rsu rtb rtc rtn rto rtr rts rtt rtu rty rub ruc run ruo rur rus rut ruu ruy ry- ryc ryn ryo ryr rys ryu ryy sbb sbc sbn sbo sbr sbs sbt sbu sby scb scc scn sco scr scs sct scu snb snc snn sno snr sns snt snu sny sob soc son soo sor sos sot sou soy sr- srb src srn sro srr srs srt sry ss- ssb ssc ssn sso ssr sss sst ssu stb stc stn sto str sts stt stu sty sub suc sun suo sur sus sut suu suy sy- syb syc syn syr sys syt syu tbb tbc tbn tbo tbr tbs tbt tbu tcb tcc tcn tco tcr tcs tct tcu tnb tnc tnn tno tnr tns tnt to- tob toc ton too tor tos tot tou toy trb trc trn tro trr trs trt tru try tsb tsc tsn tso tsr tss tst tsu tsy ttb ttc ttn tto ttr tts ttt ttu tty tub tuc tun tuo tur tus tut tuu tuy tyc tyn tyo tyr tys tyt ubb ubc ubn ubo ubr ubs ubt ubu uby ucb ucc ucn uco ucr ucs uct ucu un- unb unc unn uno unr uns unt unu uny uob uoc uon uoo uor uos uot ur- urb urc urn uro urr urs urt uru ury usb usc usn uso usr uss ust usu utb utc utn uto utr uts utt utu uty uuc uun uur uus uut uuu uyc uyo uys uyu ybc ybr ybs yby ycc yco ycs ycu ycy ynn yns ynu yny yob yoc yon yoo yor yos yot you yoy yrc yrn yro yrs yrt yru ysb ysc yso ysr yss yst ysu ysy ytc ytn yto ytr yts ytt ytu yun yuo yur yus yut yuu yuy yyb yyc yys yyt yyu yyy

-ous bbbb bbbs bboy bbrc bbyo bcbc bcbs bccc bccs bcnu bcor bcos bcrs bcru bcsc bcsn bcss bctc bcts bcuc bnoc bnor bnrr bnss bobb bobo bobs bobu boby boco bocs bocu bonc bonn bono bons bont bonu bony boob booc boon boor boos boot bor- born boro borr bors bort boru bory bosc bosn boso boss bost bosu botb botn boto bots bott boty boun bour bous bout bouy boyn boyo boys brcb brno brns brob broc bron broo bror bros brot brou brrr brrs brsb brsr brst brtc bruc brun brus brut bry- bryn bryo bscs bsns bson bsos bssc bsts btcc btcs btob btor btrc btrt btry btss bttb btus bubb bubo bubs bubu bucc buco bucs bucu bunb bunn buno buns bunt bunu buon buoy bur- burb burn buro burr burs burt buru bury busc buss bust busu busy but- buto buts butt buty buus buyo buys buyu bync byno byob byoc byon byos byrn byrt bysb byso byss byst bysy byts byun c-bo cbbc cbbs cbcc cbcn cbcr cbcs cbct cbcu cbot cbrn cbrt cbry cbsc cbsn cbtc cbus cbyt ccbc ccbn cccb cccc cccs cccu ccnb ccnc ccnr ccns ccnu ccny ccob ccoc ccrc ccrs ccrt ccsn ccss ccst cctb cctc cctt ccuc ccus ccut cnbc cnco cnrc cnrr cnrt cnss cntc cntr cnut cobb cobo cobs cobu coby coco coct cocu con- conc conn cono cons cont cony coob coon coos coot cor- corb corc corn coro corr cors cort cory cosc coso coss cost cosy cotb cotc cotn coto cots cott cotu coty coub coun cour cous cout couy coyn coyo coyr coys coyt crbc crbu crcc crcr crns crob croc cron croo cror crot croy crrt crss crst crtc crts crub crun crus crut cry- cryb cryn cryo crys cscb cscc csco cscr cscs csny csob csor csos csot csrc csrs cssr cstc csto cstr csts csur csus csys ctbs ctns ctor ctos ctot ctrc ctrn ctrs ctsc ctsn ctss ctsu cttn ctts cub- cubb