bbbee be-er be-ro beber beebe beeri beibi beier beijo beire beoir berbe berei berie berio berob beroe beror berre berri bibbe bibbo biber bibie bibio bibri biebe biere bieri bijie biore birie bo-bo bobbi bobr bobre bobri boero boibe boier boire boiro bojer booer booji boore borbo boree borer borio borje boro- boroo borre borro breer brejo breo- brere bribe brier brobo broer broje brrrr ebber ebbie ebibe ebrio eeeee eerie eieio eirie ejiri eorre erbbe erber erere erier erio- eroor erore error i-beo ibeji ibero ibibo ibore ieiri ierei ieroe iiiee iiiii ijeri ioooi ioooo iorio irobo irori jerib jeroo jerre jerri jiber jobbe jobbi joe-e joei joree o-r-b obeie obejo oboro obreb oeiro oerje ojiji ojiro oo-er ooioo ooooo oorie orebi oreo- oreoi orere orero oribe oribi orobe orobo oroer rebbe reber reere reiji reijo rejoi rere- reree rerir rerob ribbi riber ribie ribo- ririe ro-ro robbe robbi robbo rober robie robo- robor roero rooer roore rorer