bbbee be-er bebel beber beebe beele beene belee belen bellb belle belue belur bene- benne bennu benue benun benur berbe berel beren berle berne berre berru berun beuer beule beure bleen bleer blere bleue bluer blurb blure blurr brebu breel breen breer brell brene brenn brere breu- brrrr bruen bruer brule brull brune brunn bruun bubbe buben buber buble buell bulb- bulen bull- bulle bulul bulun bunne bunun burel buren burle burn- burne burru burun ebber ebble ebell ebene eberl ebern eblul ebner ebull ebure eeeee eeler eener elben elele elene ellel ellen eller ellul elren elulu eluru enbun enlen enure enurn erbbe erben erber ereen erere erlen ernen ernle euell eulen euler eurel eurre lebel leben leber leell leere leleu lelle lenne leren lerer lerne lubbe luber luble lubne lubun lubur lueen luen lulle lulul lunel lunne luren lurer lurne lurue lurun nebel neber neble neblu neele neelu neere nelle nellu neree nerre nerul nerur neuen neuer neueu neune neur- neure neurl nnebe nu-nu nubel nuble nuell nulle nunun nure- nurlu nurun rebbe rebel reber rebun reene reere relee relue renee rener renne rere- reree rerun reuel reuen reuer reule reune rubee rubel ruben ruber ruble ruele ruell ruere rueun ruler runer runne ruule ubble ubeen uber- uelen ulene ullur ululu uluru unnun unnur unrun unurn urelu urubu uuuuu