bhooi bhoom bhour bhumi bibbo bibio bibri bihor bihou bimbo birmi birou birum birur bmiii bo-bo bo-ho bobbi bobr bobri bohor bohri boiro bombo bomoh boomb booru borbo borim borio bormo boro- borom boroo borou borro borum bouri brimm brimo briou brmmm brobo brohm brom- bromo broom brrrr bruiu brumm bruri bumbo bumbu buoho burim burio buroo burri burro burru buumi h-bio h-iib hbomb hhhhh hhour hi-hi hibhi hibob hibor hibri hibur himbo himom hiroi hirom hiroo hirur ho-ho ho-oh hobor hobro hobub hohim hohum homo- hoori horii horim horio horom horro horru hou-i houir houri hubur huhuh humbo humir humor humur huobi hurm hurmi hurri hurum huuru i-m-r ibbur ibibo iiiii iommi ioooi ioooo iorio irimi irobo irori irour mbiri mbori mboro mburu mhorr mi-mi mibor mimbo mimio mimir mimmi mimo- miour mirim mirrh mirri mmhmm mmiii mmmmm mobor mobro mohor mohri mohur mombi mombo mombu momir momoi moooi moori mooro morbi morbo morib morio mormo moroi moror morou morro morum mouri mrmom mrorr muiri mumbi mumbo mummu murmi muroi murom muror murrh murri murro murru murum o-hum o-r-b obhor obimo oboro obrom oh-oh ohiou ohmmm ohour ohrio ohrob ohrum omoro ooioo ooooh ooooo orbom orhim oribi orium ormur orobo oromo orrum oruro ouihi ouir- ouoro rhomb rhumb ribbi ribo- rimbo rimmi rimou rimur ro-ro robbi robbo robo- robor robur rohob rohri rohru roohi roomu rorbu roumi roumm rubbi rubim rubio rubor ruhub ruiru rumbo rummi rummo rummu rumor ruomu ubirr ubobo uh-oh uh-uh uhhoh uhhuh uhuru uiro umbri umbro umhum umiri umour uromi uroob urour urubu urumi ururi uuuuu