b-u bbb bbn bbo bbr bbs bbt bbu bby bnb bnn bno bnr bns bnt bnu bob bon boo bor bos bot bou boy brb brn bro brr brs brt bru bry bsb bsn bso bsr bss bst bsu bsy btb btn bto btr bts btt btu bty bub bun buo bur bus but buu buy by- byn byo byr bys byt byu nbb nbn nbo nbr nbs nbt nbu nnb nnn nno nns nnt nnu no- nob non noo nor nos not nou noy nrb nrn nro nrr nrs nrt nru nry nsb nsn nso nsr nss nst nsu nsy ntb ntn nto ntr nts ntt ntu nub nun nuo nur nus nut nuu nuy nyn nyo nys nyt nyu nyy ob- obb obn obo obr obs obt obu oby on- onb onn ono onr ons ont onu ony oo- oob oon ooo oor oos oot or- orb orn oro orr ors ort oru ory os- osb osn oso osr oss ost osu ot- otb otn oto otr ots ott otu ou- oun ouo our ous out oyo oys rbb rbn rbo rbr rbs rbt rbu rnb rnn rno rnr rns rnt rnu rny rob ron roo ror ros rot rou roy rrb rrn rrr rrs rrt rru rsb rsn rso rsr rss rst rsu rtb rtn rto rtr rts rtt rtu rty rub run ruo rur rus rut ruu ruy ry- ryn ryo ryr rys ryu ryy sbb sbn sbo sbr sbs sbt sbu sby snb snn sno snr sns snt snu sny sob son soo sor sos sot sou soy sr- srb srn sro srr srs srt sry ss- ssb ssn sso ssr sss sst ssu stb stn sto str sts stt stu sty sub sun suo sur sus sut suu suy sy- syb syn syr sys syt syu tbb tbn tbo tbr tbs tbt tbu tnb tnn tno tnr tns tnt to- tob ton too tor tos tot tou toy trb trn tro trr trs trt tru try tsb tsn tso tsr tss tst tsu tsy ttb ttn tto ttr tts ttt ttu tty tub tun tuo tur tus tut tuu tuy tyn tyo tyr tys tyt ubb ubn ubo ubr ubs ubt ubu uby un- unb unn uno unr uns unt unu uny uob uon uoo uor uos uot ur- urb urn uro urr urs urt uru ury usb usn uso usr uss ust usu utb utn uto utr uts utt utu uty uun uur uus uut uuu uyo uys uyu ybr ybs yby ynn yns ynu yny yob yon yoo yor yos yot you yoy yrn yro yrs yrt yru ysb yso ysr yss yst ysu ysy ytn yto ytr yts ytt ytu yun yuo yur yus yut yuu yuy yyb yys yyt yyu yyy

-ous bbbb bbbs bboy bbyo bnor bnrr bnss bobb bobo bobs bobu boby bonn bono bons bont bonu bony boob boon boor boos boot bor- born boro borr bors bort boru bory bosn boso boss bost bosu botb botn boto bots bott boty boun bour bous bout bouy boyn boyo boys brno brns brob bron broo bror bros brot brou brrr brrs brsb brsr brst brun brus brut bry- bryn bryo bsns bson bsos bsts btob btor btrt btry btss bttb btus bubb bubo bubs bubu bunb bunn buno buns bunt bunu buon buoy bur- burb burn buro burr burs burt buru bury buss bust busu busy but- buto buts butt buty buus buyo buys buyu byno byob byon byos byrn byrt bysb byso byss byst bysy byts byun nbbo nboy nbty nnnn nnos nnot nnss nntn nobo nobs nobu non- nonn nono nons nont nonu noo- noob noon nooo noor noos noot nor- norb norn noro norr nors nort nory nos- noss nost nosu nosy not- noto nots nott noun nour nous nout noyo noys noyt nron nrts nsbo nsnr nsos nsou nssb nsso nssr nsss nsts nstu nsub ntnu ntru ntsb ntss ntsu ntto nttr nubs nuby nunn nuno nuns nunt nuny nuon nurn nurr nurs nurt nuru nuss nust nusu nusy nuts nutt nutu nuys nynt nyny nyon nyrb nyro nyss nyst nytb obbo obby obon obor obos obot oboy obro obsn obsr obss obst obts obus onby onno onon onor onos onoy onso onst ont- onto onur onus onut onys ooby oons oont oooo ooos oort oory oost ootb oots ooty oous orbb orbo orbs orbu orby orno orns orny oro- oron oror oros orot oroy orro orrs orry orso orsu orsy orto orts orub orus orys osby osno osnr osny osoo osor osos osro ossb osso ossu ossy ostr osts osun osyt otbs oto- oton otoo otor otos otoy otro otrs otry otso otsu otto otts ottu otur otus otyr oubs oun- our- ourn ouro ours ourt oust out- outb outo outs outy ouu- ouyr oyns oynt oyon oyou oyss oyst oyun rbbb rbbr rbbs rbss rbst rnbr rnnt rnot rnut rob- robb robo robs robt robu roby rono rons ront rony roob roon roor roos root roro rort roru rory roso ross rost rosy rotn roto rotr rots rott roty roub roun rous rout rouy royn roys royt rrrr rrun rsnn rsno rsnr rsos rsts rstu rtns rtss rtts rubb rubs rubu ruby runn runo runs runt runy ruoy ruro rurs ruru ruso russ rust rusu rusy ruto ruts rutt rutu ruty ruun ruys rynn rynt ryob ryon ryot rysy rytt ryun ryyt s-os sbbs sbor sbot sbst sbtn sbus snns snob snoo snor snos snot snrs snsy sntr snub snur snus snys sobo sobr sobs sobt sobu son- sono sons sont sonu sony soon soor soos soot sooy sorb sorn soro sorr sors sort soru sory soso soss sost sotn soto sots sotu soun sour sous sout soyo soys soyt srby srnn srno sros srtr srub ssbn ssbr ssby ssns ssot ssrs sssb ssss sstb ssts stbs stnn stnr stns stob ston stoo stor stos stot stou stoy strn stro strs stru stry stss sttr stub stun stur stus stut stuy styr