bibbo bibio bibri big-i bigig bigoo birgi bo-bo bobbi bobr bobri bogor boiro borbo borgo borio boro- boroo borro brigg brigi brobo brrrr ggobi gibbi gibi- go-go go-oo gobbi gobbo gobig gobio gobir gogoi gogro goibo goobi goobo gorgo gorir grigg grogg grrrr ibibo ibogo iggri igigi iiiii ioooi ioooo iorio irobo irori o-r-b oboro ogiri ogogo ooioo ooooo oribi origi origo orobo orrgo ribbi ribo- rig-i rigio rigor ro-ro robbi robbo robo- robor rogoi