-ous bbbb bbbs bbgm bbmg bbrg bggs bgst bmgs bmts bmus bobb bobo bobs bobu bogg bogo bogs bogt bomb boms bomt bomu boob boog boom boor boos boot bor- borg borm boro borr bors bort boru bosm boso boss bost bosu botb boto bots bott boum bour bous bout brob brog brom broo bror bros brot brou brrm brrr brrs brsb brsr brst brug brum brus brut bsgs bsms bsmt bsos bsrm bssm bsts btob btor btrt btss bttb btus bubb bubo bubs bubu bugg bugo bugs bum- bumb bums bur- burb burg burm buro burr burs burt buru buss bust busu but- buto buts butt buus gbbo gbbs ggbt gggg ggss gmmr gmos gmrs gobo gobs gogo gogs gomb gomo goms gomu goog goom goor goos goot gorb gorg gorm goro gorr gors gort goso goss gost gosu gotm goto gots gott gou- goug goum gour gous gout grbr grmt grob grog grom groo gror gros grot grou grrr grrs grsm grss grub grug grum grur grus grut gsos gstr gsur gtbr gtos gtsm gubb gubs gubu gugb gugg gugu gumb gumm gumo gums guos gurb gurg guro gurr gurs gurt guru gusb guss gust guto guts gutt gutu guus mbbs mbms mbou mbrs mbus mgbs mgmt mgos mgrm mgrs mgsm mgts mgus mmmm mmms mmor mmst mmsu mmts mmus mobb mobo mobs mogg mogo mogs mogu momo moms momu moob moog moor moos moot morb morg moro mors mort moru moso moss most mosu motb motm moto mots mott motu mour mous mout mrbb mrbm mrbs mrtm mrts mrtt msgr msgs msgt msmb msmm msms msmu msor msrb msrt mssg mssm mssr msst mstr msts msus mtbo mtbs mtgs mtom mtor mtrr mtss mtst mttr mtts mubo mubs mugg mugo mugs mugu mumm mumo mums mumu muos murg muro murr murs murt muru muso muss must musu muto muts mutt mutu muut obbo obor obos obot obro obsr obss obst obts obus ogb ogog ogou ogro ogsm ogum ogus ombo ombu omo- omoo omor omro omuo omus ooms oooo ooos oort oost ootb oots oous orbb orbo orbs orbu orgo orgs ormo oro- orom oror oros orot orro orrs orso orsu orto orts orub orum orus osm- osmo osoo osor osos osro ossb osso ossu ostr osts osum otbs oto- otog otoo otor otos otro otrs otsg otso otsu otto otts ottu otur otus oubs our- ouro ours ourt oust out- outb outo outs ouu- rbbb rbbr rbbs rbms rbss rbst rgtr rgts rmbs rmrg rmst rmtu rob- robb robo robs robt robu rogg rogo romb romm romo roms roob roog room roor roos root roro rort roru roso ross rost rotg roto rotr rots rott roub roum rous rout rrrr rrum rsgb rsmg rsos rsts rstu rsum rtgs rtms rtss rtts rubb rubs rubu rugg rugs rumb rumm rumo rums rumt ruro rurs ruru ruso russ rust rusu ruto ruts rutt rutu s-os sbbs sbor sbot sbst sbus sggg sggs sgro sgsm sgss sgts smgs smog smos smot smrt smss smtu smug smur smus smut sobo sobr sobs sobt sobu sogo sogs somb somm somo soog soom soor soos soot sorb sorg sorm soro sorr sors sort soru soso soss sost sotm soto sots sotu soum sour sous sout srgb sros srtr srub ssbr ssgs ssgt ssot ssrg ssrm ssrs sssb sssm ssss sstb ssts stbs stgr stms stmt stob stog stom stoo stor stos stot stou stro strs stru stsm stss sttr stub stug stum stur stus stut sub- subb subg subm subo subs sug- sugg sugo sum- sumo sums sumu suor suos sur- surg suro surr surs surt suru sus- suso suss sust susu suto sutu suum suus t-mo tbbs tbgs tbrb tbst tgts tmbg tmbr tmos tmou tmro tmtt tobo tobs tobt tobu togo togr togs togt tomb tomg tomm tomo toms tomt toom toor toos toot torg torm toro torr tors tort toru tosb toso toss tost tosu totm toto totr tots tott toug toum tour tous tout trmb trms trmu trog trom troo tros trot trou trst trtr trub trug trus trut truu tsgt tsob tsom tsos tsou tssg tssm tssr tsst tstm tsts tsum ttbb ttms ttss tttt tubb tubo tubr tubs tubu tugg tugs tugu tumb tums tumu tuor tuos turb turg turm turo turr turs turt turu tusm tuss tust tuto tuts tutt tutu tuum tuuo ubbo ubos uggo uggs uggt ugos ugro ugur uguu umb- umbo umgo ummg ummo umms umor umsu umts umus umut uomo uor- urbs urgu uro- urom uroo urso urss ursu urts urum urur urus urut usbr usbs usgo usmm usms usog usos ussb ussr usss usst ussu ustb ustm usto usts usus utmb utor utto uttu utug uuuu