bibbo bibio bibri big-i bigig bigoo birgi bjorg bo-bo bobbi bobr bobri bogor boiro booji 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 gorji grigg grijo grogg grrrr ibibo ibogo iggri igigi iiiii ioooi ioooo iorio irobo irori jobbi o-r-b oboro ogiri ogogo ojigi ojiji ojiro ooioo ooooo oribi origi origo orobo orrgo ribbi ribo- rig-i rigio rigor ro-ro robbi robbo robo- robor rogoi