bibbo bibio bibri bijou bijur bimbo birmi birou birum birur bmiii bo-bo bobbi bobr bobri boiro bombo booji boomb booru borbo borim borio bormo boro- borom boroo borou borro borum bouri brimm brimo briou brmmm brobo brom- bromo broom brrrr bruiu brujo brumm bruri bujor bujru bumbo bumbu burim burio burji buroo burri burro burru buumi i-m-r ibbur ibibo iiiii ijumu iommi ioooi ioooo iorio irimi irobo irori irour jibou jijim jimbo jimbu jimmi jimri jirim jiuru jobbi jobim jorim jorum ju-ju jubii jubur jumbi jumbo jumio jumji jurij jurmo juror juuru mbiri mbori mboro mbuji mburu mi-mi mibor mijiu mimbo mimio mimir mimmi mimo- miour mirim mirji mirri mmiii mmmmm mobor mobro mojib mombi mombo mombu momir momoi mooji moooi moori mooro morbi morbo morib morio mormo moroi moror morou morro morum mouri mrijo mrmom mrorr mrouj muiri mujib mujum mumbi mumbo mummu murmi muroi murom muror murri murro murru murum o-r-b obimo oboro obrom ojiji ojiro ojuju omoro ooioo ooooo orbom oribi orium ormur orobo oromo orrum orujo oruro ouir- ouoro ribbi ribo- rimbo rimmi rimou rimur ro-ro robbi robbo robo- robor robur roomu rorbu roumi roumm rubbi rubim rubio rubor ruiru rumbo rummi rummo rummu rumor ruomu ubirr ubobo uiro ujiji umbri umbro umiri umour uromi uroob urooj urour urubu urumi ururi uuuuu