b-u bbb bbm bbo bbr bbs bbu bmb bmm bmo bmr bms bmu bmz bob bom boo bor bos bou boz brb brm bro brr brs bru brz bsb bsm bso bsr bss bsu bub bum buo bur bus buu buz bzo bzr bzs bzu bzz m-o m-r mbb mbm mbo mbr mbs mbu mmb mmm mmo mmr mms mmu mmz mob mom moo mor mos mou moz mrb mrm mro mrr mrs mru mrz msb msm mso msr mss msu mub mum mur mus muu mzb mzm ob- obb obm obo obr obs obu om- omb omm omo omr oms omu omz oo- oob oom ooo oor oos or- orb orm oro orr ors oru orz os- osb osm oso osr oss osu ou- oum ouo our ous ozm ozo ozs ozu ozz rbb rbm rbo rbr rbs rbu rmb rmm rmo rmr rms rob rom roo ror ros rou roz rrb rrm rrr rrs rru rsb rsm rso rsr rss rsu rub rum ruo rur rus ruu ruz rzb rzm rzo sbb sbm sbo sbr sbs sbu smb smm smo smr sms smu smz sob som soo sor sos sou soz sr- srb srm sro srr srs ss- ssb ssm sso ssr sss ssu ssz sub sum suo sur sus suu suz szr szu ubb ubo ubr ubs ubu um- umb umm umo umr ums umu uob uom uoo uor uos ur- urb urm uro urr urs uru urz usb usm uso usr uss usu usz uum uur uus uuu uzb uzo uzu zbb zbm zbr zbs zmb zmm zms zo- zob zom zoo zor zos zou zro zrs zsm zsu zsz zub zum zur zus zuz zzr zzs zzz

-ous bbbb bbbs bmus bobb bobo bobs bobu bomb boms bomu boob boom boor boos booz bor- borm boro borr bors boru borz bosm boso boss bosu boum bour bous bozo brob brom broo bror bros brou broz brrm brrr brrs brsb brsr brum brus bruz bsms bsos bsrm bssm bubb bubo bubs bubu bum- bumb bums bur- burb burm buro burr burs buru burz buss busu buus buuz buzz bzou bzzz mbbs mbms mbou mbrs mbus mmmm mmms mmor mmsu mmus mobb mobo mobs momo moms momu moob moor moos morb moro mors moru moso moss mosu mour mous mozo mozu mrbb mrbm mrbs mroz msmb msmm msms msmu msor msrb mssm mssr msus mubo mubs mumm mumo mums mumu muos muro murr murs muru muso muss musu muzo muzz obbo obor obos obro obsr obss obus ombo ombu omo- omoo omor omro omuo omus ooms oooo ooos oous orbb orbo orbs orbu ormo oro- orom oror oros oroz orro orrs orso orsu orub orum orus orzo orzu osm- osmo osoo osor osos osro ossb osso ossu osum oubs our- ouro ours ouu- ouzo rbbb rbbr rbbs rbms rbss rmbs rob- robb robo robs robu romb romm romo roms roob room roor roos rooz roro roru roso ross roub roum rous rouz rozz rrrr rrum rsos rsum rubb rubs rubu rumb rumm rumo rums ruro rurs ruru ruso russ rusu s-os sbbs sbor sbus smos smrz smss smur smus smzb sobo sobr sobs sobu somb somm somo soom soor soos sorb sorm soro sorr sors soru soso soss soum sour sous soz- sros srub srzu ssbr ssrm ssrs sssb sssm ssss sub- subb subm subo subs subz sum- sumo sums sumu suor suos sur- suro surr surs suru sus- suso suss susu susz suum suus suzo suzu suzz szob szss szur ubbo ubos umb- umbo ummo umms umor umsu umus uomo uor- urbs uro- urom uroo urso urss ursu urum urur urus uruz usbr usbs usmm usms usos ussb ussr usss ussu usus uuuu uzos z-ro zbus zmub zobo zomb zomo zoo- zoom zoos zorb zoro zors zoso zoss zozo zozu zsss zsum zubo zubr zubu zumo zuoz zurb zurr zuru zuzu zzzs zzzz

bbuss bo-bo bobos bobr bombo bombs bomso boobs boomb booms boors booru borbo bormo boro- borom boroo boros borou borro borsu borum borus borzu bosom bosor bosso bours bozoo bozos bozum brmmm brobo brobs brom- bromo broom broos bross brous brrrr brumm bruss bruzz bsous bumbo bumbu burbs buroo buros buroz burro burrs burru bursz burus busso bussu busum busur busuu buzzr mboro mburu mmmmm mobbs mobor mobos mobro mombo mombu momos momus moobs mooro moors morbo mormo moror moros morou moroz morro morso morss morum morus mosor mosso mosuo mours mozos mozzo mrmom mrmos mrorr mumbo mummu murom muror muros murro murru murum murus murz murzo musos musou musso muzur mzuzu o-r-b oboro obrom obzor omoro ooooo orbom orbus ormoz ormur ormus orobo oromo oroso orosu orosz orrum oruro orzos osmo- osmos ososo ossos ossur osusu osusz ouoro ouzos ozoro ozumo ro-ro robbo robbs robo- robor robur romos rooms roomu rorbu rosmo rosso rosss rosu rosum roumm rubor rubus rumbo rummo rummu rumor rumos ruoms ruomu rus-m rusor russo s-bus s-o-r smbus smoms smoor smorz smous smurr smuss so-so sobor sommo somos sooru sorbo sorbs soror soros sorso sorsu sorum sorus soss- sosus sourm sours sourz sous- sozo- sssrb sssss subbu subos subss sumos sumou sumru sumur suomu surbo surmo surom suroz surur surus susso susus susuz ubobo umbos umbro umour urbos urmuz uroob uros urour urous urroz ursus urubu urums usour uuuuu zobos zombo zooms zorbo zorbs zorro zours zu-zu zubrs zumbo zurs zzoom zzzzz

b-room bbbbbb bobbos bombom bombur bombus booboo boom-o boorus borbor bormus boromo bororo bosoms bososo bossom bossou boubou bourou bousso boussu bousum bozoum bozzom bozzum bromo- bromos bromus brooms brosso brubru brumus brusor bububu bumboo burbur burros burzum bussum mbombo mbomou mommur moomoo morbus mormor mormos mormur moroso moross morous morros morsum mososo mossoo mouros mourou mousum murmur musmus mussum muumuu obosom obsorb ombro- omzoor oooooo orobus oromoo orrour osmous osommo ossous ououso ousrou ouzoum ouzous robomb robous romoos romour rososz rossum rubro- rubrum rumbur rumors rumour russo- russus rusumo sobos sombor soomro soosoo sorbus sorors sorous sorrus sorsor sorsum souboz sourou sousou suburb summum sumoom