b-u bbb bbm bbo bbr bbs bbt bbu bby bmb bmm bmo bmr bms bmt bmu bob bom boo bor bos bot bou boy brb brm bro brr brs brt bru bry bsb bsm bso bsr bss bst bsu bsy btb btm bto btr bts btt btu bty bub bum buo bur bus but buu buy by- bym byo byr bys byt byu m-o m-r mbb mbm mbo mbr mbs mbt mbu mmb mmm mmo mmr mms mmt mmu mob mom moo mor mos mot mou moy mrb mrm mro mrr mrs mrt mru mry msb msm mso msr mss mst msu msy mtb mtm mto mtr mts mtt mtu mub mum mur mus mut muu muy my- myb mym myo myr mys myt myu ob- obb obm obo obr obs obt obu oby om- omb omm omo omr oms omt omu omy oo- oob oom ooo oor oos oot or- orb orm oro orr ors ort oru ory os- osb osm oso osr oss ost osu ot- otb otm oto otr ots ott otu ou- oum ouo our ous out oyo oys rbb rbm rbo rbr rbs rbt rbu rmb rmm rmo rmr rms rmt rob rom roo ror ros rot rou roy rrb rrm rrr rrs rrt rru rsb rsm rso rsr rss rst rsu rtb rtm rto rtr rts rtt rtu rty rub rum ruo rur rus rut ruu ruy ry- rym ryo ryr rys ryu ryy sbb sbm sbo sbr sbs sbt sbu sby smb smm smo smr sms smt smu smy sob som soo sor sos sot sou soy sr- srb srm sro srr srs srt sry ss- ssb ssm sso ssr sss sst ssu stb stm sto str sts stt stu sty sub sum suo sur sus sut suu suy sy- syb sym syr sys syt syu tbb tbm tbo tbr tbs tbt tbu tmb tmm tmo tmr tms tmt tmu tmy to- tob tom too tor tos tot tou toy trb trm tro trr trs trt tru try tsb tsm tso tsr tss tst tsu tsy ttb ttm tto ttr tts ttt ttu tty tub tum tuo tur tus tut tuu tuy tym tyo tyr tys tyt ubb ubo ubr ubs ubt ubu uby um- umb umm umo umr ums umt umu uob uom uoo uor uos uot ur- urb urm uro urr urs urt uru ury usb usm uso usr uss ust usu utb utm uto utr uts utt utu uty uum uur uus uut uuu uyo uys uyu ybm ybr ybs yby ymm ymo yms ymt yob yom yoo yor yos yot you yoy yro yrs yrt yru ysb ysm yso ysr yss yst ysu ysy ytm yto ytr yts ytt ytu yum yuo yur yus yut yuu yuy yyb yys yyt yyu yyy

-ous bbbb bbbs bboy bbyo bmts bmus bobb bobo bobs bobu boby bomb boms bomt bomu bomy boob boom boor boos boot bor- borm boro borr bors bort boru bory bosm boso boss bost bosu botb boto bots bott boty boum bour bous bout bouy boyo boys brob brom broo bror bros brot brou brrm brrr brrs brsb brsr brst brum brus brut bry- bryo bsms bsmt bsos bsrm bssm bsts btob btor btrt btry btss bttb btus bubb bubo bubs bubu bum- bumb bums buoy bur- burb burm buro burr burs burt buru bury buss bust busu busy but- buto buts butt buty buus buyo buys buyu byob byos byrt bysb bysm byso byss byst bysy byts mbbs mbms mbou mbrs mbus mmmm mmms mmor mmst mmsu mmts mmus mmyy mobb mobo mobs moby momo moms momu momy moob moor moos moot morb moro mors mort moru mory moso moss most mosu mosy motb motm moto mots mott motu moty mour mous mout mouy moyo moyu mrbb mrbm mrbs mrtm mrts mrtt msmb msmm msms msmu msor msrb msrt mssm mssr msst mstr msts msus mtbo mtbs mtom mtor mtrr mtss mtst mttr mtts mubo mubs mumm mumo mums mumu mumy muos muro murr murs murt muru mury muso muss must musu muto muts mutt mutu muut muys mybb mymy myo- myob myos myot myro myrr myrt myry mys- myss myst myto myus myys obbo obby obor obos obot oboy obro obsr obss obst obts obus ombo ombu omo- omoo omor omro omuo omus omyt ooby ooms oooo ooos oort oory oost ootb oots ooty oous orbb orbo orbs orbu orby ormo ormy oro- orom oror oros orot oroy orro orrs orry orso orsu orsy orto orts orub orum orus orys osby osm- osmo osoo osor osos osro ossb osso ossu ossy ostr osts osum osyt otbs oto- otoo otor otos otoy otro otrs otry otso otsu otto otts ottu otur otus otyr oubs our- ouro ours ourt oust out- outb outo outs outy ouu- ouyr oyou oyss oyst rbbb rbbr rbbs rbms rbss rbst rmbs rmst rmtu rob- robb robo robs robt robu roby romb romm romo roms romy roob room roor roos root roro rort roru rory roso ross rost rosy roto rotr rots rott roty roub roum rous rout rouy roys royt rrrr rrum rsos rsts rstu rsum rtms rtss rtts rubb rubs rubu ruby rumb rumm rumo rums rumt rumy ruoy ruro rurs ruru ruso russ rust rusu rusy ruto ruts rutt rutu ruty ruys ryob ryot rysy rytt ryyt s-os sbbs sbor sbot sbst sbus smos smot smoy smrt smry smss smtu smty smur smus smut sobo sobr sobs sobt sobu somb somm somo somy soom soor soos soot sooy sorb sorm soro sorr sors sort soru sory soso soss sost sotm soto sots sotu soum sour sous sout soyo soys soyt srby sros srtr srub ssbr ssby ssot ssrm ssrs sssb sssm ssss sstb ssts stbs stms stmt stob stom stoo stor stos stot stou stoy stro strs stru stry stsm stss sttr stub stum stur stus stut stuy styr stys sub- subb subm subo subs sum- sumo sums sumu sumy suor suos sur- suro surr surs surt suru sury