bbbbbb blubbo blublu blubos bobbos bobowo bolbol bolobo bololo booboo bososo bossou boubou boulos boulou bousso boussu bowwow bububu bulbo- bulbul bulbus bullou bulolo bulous bulusu lobolo lobous lolobo looloo loulou lowlow lubbow lublow lubowo lullus lussow obolos obolus oooooo osloss ossous ossowo ououso owosso slubow sobolo sobos sobowo solbus sololo soosoo soulos soulou sousou sullow suslow susulu swolow ubussu wollow wolowo woowoo