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-ous bbbb bbbs bbgm bbmg bbrg bggs bmgs bmus bobb bobo bobs bobu bogg bogo bogs bomb boms bomu boob boog boom boor boos bor- borg borm boro borr bors boru bosm boso boss bosu boum bour bous brob brog brom broo bror bros brou brrm brrr brrs brsb brsr brug brum brus bsgs bsms bsos bsrm bssm bubb bubo bubs bubu bugg bugo bugs bum- bumb bums bur- burb burg burm buro burr burs buru buss busu buus gbbo gbbs gggg ggss gmmr gmos gmrs gobo gobs gogo gogs gomb gomo goms gomu goog goom goor goos gorb gorg gorm goro gorr gors goso goss gosu gou- goug goum gour gous grbr grob grog grom groo gror gros grou grrr grrs grsm grss grub grug grum grur grus gsos gsur gubb gubs gubu gugb gugg gugu gumb gumm gumo gums guos gurb gurg guro gurr gurs guru gusb guss guus mbbs mbms mbou mbrs mbus mgbs mgos mgrm mgrs mgsm mgus mmmm mmms mmor mmsu mmus mobb mobo mobs mogg mogo mogs mogu momo moms momu moob moog moor moos morb morg moro mors moru moso moss mosu mour mous mrbb mrbm mrbs msgr msgs msmb msmm msms msmu msor msrb mssg mssm mssr msus mubo mubs mugg mugo mugs mugu mumm mumo mums mumu muos murg muro murr murs muru muso muss musu obbo obor obos obro obsr obss obus ogb ogog ogou ogro ogsm ogum ogus ombo ombu omo- omoo omor omro omuo omus ooms oooo ooos oous orbb orbo orbs orbu orgo orgs ormo oro- orom oror oros orro orrs orso orsu orub orum orus osm- osmo osoo osor osos osro ossb osso ossu osum oubs our- ouro ours ouu- rbbb rbbr rbbs rbms rbss rmbs rmrg rob- robb robo robs robu rogg rogo romb romm romo roms roob roog room roor roos roro roru roso ross roub roum rous rrrr rrum rsgb rsmg rsos rsum rubb rubs rubu rugg rugs rumb rumm rumo rums ruro rurs ruru ruso russ rusu s-os sbbs sbor sbus sggg sggs sgro sgsm sgss smgs smog smos smss smug smur smus sobo sobr sobs sobu sogo sogs somb somm somo soog soom soor soos sorb sorg sorm soro sorr sors soru soso soss soum sour sous srgb sros srub ssbr ssgs ssrg ssrm ssrs sssb sssm ssss sub- subb subg subm subo subs sug- sugg sugo sum- sumo sums sumu suor suos sur- surg suro surr surs suru sus- suso suss susu suum suus ubbo ubos uggo uggs ugos ugro ugur uguu umb- umbo umgo ummg ummo umms umor umsu umus uomo uor- urbs urgu uro- urom uroo urso urss ursu urum urur urus usbr usbs usgo usmm usms usog usos ussb ussr usss ussu usus uuuu

bbuss bo-bo bobos bobr boggs bogor bogos bogu bogur bogus bombo bombs bomso boobs boomb booms boors booru borbo borgo borgs borgu bormo boro- borom boroo boros borou borro borsu borum borus bosom bosor bosso bourg bours brmmm brobo brobs brogs brom- bromo broom broos bross brous brrrr brugg brumm bruss bsous bugoo bumbo bumbu burbs burgo burgs burgu buroo buros burro burrs burru burus busog busso bussu busum busur busuu go-go go-oo gobbo gobos gobus gogos gogro gombo gomor gomur goobo googs gooms gorgo gosub gours grgur grogg grogs gromo groms groom groos gross grosu grrrr grubb grubs grumo grums gruss gsm-r gubbo gubos gubru gumbo gumbs gummb gummo gumus guroo guros gurro gursu gurum gurur gurus gusum mbogo mboro mburu mmmmm mobbs mobor mobos mobro mogos mombo mombu momos momus moobs moogo moogs mooro moors morbo mormo moror moros morou morro morso morss morum morus mosgu mosor mosso mosuo mours mrmom mrmos mrorr msgrs muggs mugur mugus mumbo mummu murgo murom muror muros murro murru murum murus musgu musos musou musso o-r-b oboro obrom og-os ogogo ogors ogugu omoro ooooo orbom orbus ormur ormus orobo oromo oroso orosu orrgo orrum oruro osgur osmo- osmos ososo ossos ossur osusu ouoro ro-ro robbo robbs robo- robor robur