bbbee be-er beber beebe beene beeve bene- benne bennu benue benun benur berbe beren berne berre berru berun beuer beure beuve bever bevue brebu breen breer brene brenn brere breu- breve brrrr bruen bruer brune brunn bruun bubbe buben buber bunne bunun buren burn- burne burru burun buven ebber ebene ebern ebner ebure eeeee eener eevee eever enbun enure enurn enver erbbe erben erber ereen erere ereve ernen erven eurre even- evene evere everr eveve evren neber neere neeve neree nerre nerur nerv- nerve neuen neuer neueu neune neur- neure neuve neven never neveu nevre nevue nevve nnebe nu-nu nueve nunun nure- nurun rebbe reber rebun reene reere reeve renee rener renne rere- reree rerun reuen reuer reune reven rever revue rubee ruben ruber ruere rueun runer runne ubeen uber- unnun unnur unrun unurn urubu uuuuu veber vebre veere veeve venee vener venev venne venue venur vereb veren verne verre verve veuve vever vrben vuere vuren vuver