bbbbbbb bobross bombous bommuru boo-boo booboos bordour borssum bosoord bosorod bossdom boubous bourrou brombos bromous brosour broudur brumous burdour burmoos burruss bus-obo dob-dob dobrodo dododou doo-doo dorsour dossour dossous dourdou droddum dum-dum dumdums durdums mobboss modrus moo-moo moorsom morbous morodou morrum mossoro moudros moumour mudroom murdrum murmurs muu-muu muumuus oddsbob oddsbud odorous ommoord omobrus oroboro oubombo robosub rubbour rum-dum rumbuds rumdumb rumdums rumours somodor sorombo sou-sou soudoud soudour soursob sssssss subbudu suburbs surmurd sursum- suursoo ububboo umbrous usurous