bbuss bhour bo-bo bo-ho bobos bobr boffo boffs bofhs bohor bohos bohrs bohus boobs boofs boors booru boosh borbo boro- boroo boros borou borro borsh borsu borus boshu bosor bosso bours brobo brobs broos bross brous brrrr bruff bruhs brush bruss bsous buffo buffs bufos buoho burbs buroo buros burro burrs burru burus busho busso bussu busur busuu fofos forbs foros forro forso forss foruh forur forus fourb fourh fouro fours frobs frosh frush fu-fu fubbs fubus fuffs furbo furo- furor furrs furus fuso- fusor fusus hhhhh hhour ho-ho ho-oh hobbs hobor hobos hobro hobub hoffs hofuf hohos hoofs hoors hoosh horos horro horru horus hosfu hosho hossu hosur houff hours houss hross hruso hubbs hubur huffs huhuh huhus hurso husos huuru o-r-b obhor oboro offof ofosu ofour oh-oh oh-so ohfoo ohohs ohour ohrob ohuus ooooh ooooo orbus orfor orobo orosh oroso orosu oruro ososo ossos ossur osusu ouoro ro-ro robbo robbs robo- robor robur rofor rohff rohob rohru rohus roofs rorbu rosso rosss rosu roush rsssf rubof rubor rubus ruffo ruffs rufo- rufus ruhrs ruhub rushh rusor russh russo s-bus s-o-r sfouf shhhh shobo shoff shoof shoor shoos shoro shorr shors shosh shour shous shrob shrub shubb shuff shuru shush so-ho so-so sobor sohos sohub sooru sorbo sorbs soror soros sorso sorsu sorus soshu soss- sosus souff souho sours sous- sroof sshfs sssrb ssssh sssss subbu subos subss suffr suffs suhur surbo surfs suruh surur surus susso susus ubobo ufofu uforb uh-oh uh-uh uhhoh uhhuh uhohs uhuhs uhuru urbos uroob uros urour urous urshu ursus urubu usfor ushus usour uuuuu