-ous bbbb bbbs bbdd bbdo bd-r bdos bdrm bdsd bdsm bmdb bmus bobb bobo bobs bobu bodb bodo bods bodu bomb boms bomu boob bood boom boor boos bor- bord borm boro borr bors boru bosm boso boss bosu boud boum bour bous brdm brdo brds brob brod brom broo bror bros brou brrm brrr brrs brsb brsr brud brum brus bsbd bsms bsod bsos bsrd bsrm bssd bssm bubb bubo bubs bubu budb budd budo buds budu bum- bumb bums bur- burb burd burm buro burr burs buru buss busu buus d-bo dbms dbos dbrs dbss dbus dddd ddss ddub dmds dmrb dmso dmss dmus dobb dobs dobu dod- dodd dodo dods domb domm domo doms doob dood doom door doos dord dorm doro dorr dors doru doso doss doub doud doum dour dous drms drob drod drom drou drrs drub drum drus druu dsdm dsdr dsmb dsms dsos dsrr dub- dubb dubs dubu dudd dudo duds dudu dumb dumm dums duo- duos duro duru duur mbbs mbdb mbms mbou mbrs mbus mddm mdds mdos mdsd mdud mmdb mmds mmmd mmmm mmms mmod mmor mmsd mmsu mmus mobb mobo mobs modd modo mods modu momo moms momu moob mood moor moos morb mord moro mors moru moso moss mosu moud mour mous mrbb mrbm mrbs mrdd mrds mrmd mrsd mrud msmb msmm msms msmu msor msrb mssm mssr msud msus mubo mubs mudd muds mudu mumm mumo mums mumu muos murd muro murr murs muru musd muso muss musu obbo obor obos obro obsd obsr obss obus odbo oddd odds odmr odom odoo odor odos odou odso odum odur odus ombo ombu omdb omo- omoo omor omro omuo omus ooms oooo ooos oord oous orbb orbo orbs orbu ordo ords ordu ormo oro- orom oror oros orro orrs orso orsu orub orum orus osm- osmo osoo osor osos osrd osro ossb ossd osso ossu osum oubs ouds our- ouro ours ousd ouu- rbbb rbbr rbbs rbds rbms rbsd rbss rdbm rdms rdos rdso rmbs rob- robb robo robs robu rodd rodo rods romb romd romm romo roms roob rood room roor roos roro roru roso ross roub roud roum rous rrrr rrum rsdd rsds rsos rsum rubb rubs rubu rudd rudo ruds rumb rumm rumo rums rurd ruro rurs ruru ruso russ rusu ruud s-os sbbs sbds sbor sbsd sbus sdds sdmo sdms sdrs sdsm sdss sdsu smdr smod smos smsd smss smur smus sobo sobr sobs sobu sodd sodo sods sodu somb somm somo sood soom soor soos sorb sord sorm soro sorr sors soru soso soss soud soum sour sous sros srsd srub ssbr ssdd ssdm ssrm ssrs sssb sssm ssss sub- subb subd subm subo subs sudd sudo suds sum- sumd sumo sums sumu suor suos sur- surd suro surr surs suru sus- susd suso suss susu suum suus ubbo ubod ubos ubud udds udoo udos udsd umb- umbo ummo umms umor umsu umus uomo uor- urbs urds urdu uro- urom uroo urso urss ursu urum urur urus usbr usbs usdm usdo usds usmd usmm usms usos ussb ussr usss ussu usus uuuu