b-r-k bbbee be-er bebek bebel beber beebe beeke beele beker bekke belee belek belem bellb belle belue belum belur bembe bemer berbe berek berel berk- berke berle berme berre berru berum beuer beule beure bleek bleer bleke blekk blere bleue bluer bluke blume blurb blure blurr brebu breek breel breem breer breke brell breme bremm brere breu- brmmm brrrr bruer bruke brule brull brume brumm bubbe buber buble buell buker bukk- bulb- bulke bull- bulle bulul bumbu bumme burek burel burke burle burru buruk ebber ebble ebell eberl eblul ebull ebure eeeee eeler ekker ekmek ekrem ekuku ekuru elele eleme elkem ellek ellel eller ellul elmer elulu eluru embee embel ember emble embue emeer emele emell emere emerk emerl emmer emule emure erbbe erber erem- erere erkel eruke euell euler eum-u eumel eurel eurre k-mer kebbe kebek keber keble keele keere kekem kelek kelle kelme kemer kemme kerek kerel kerem kerle kerre klemm klerk kluke kreek kreel kreke krele krell kreme kreuk krull krumm kubek kuber kubul kukel kukle kukur kullu kulul kulur kumeu kumlu kumru kumuk kurbu kurek kurem kurku kurlu kurre kuruk lebel leber leeke leell leeme leere lekel lekem lekeu leleu lelle lemek lemel lemer lemke lemme lemur lerer lerum leuk- leuke lmule lubbe luber lubke luble lubur luker lukre lulle lulul lumb- lumbe lumer lumle lumme lurer lurue mbebe mbeku mbere mbube mbule mbulu mburu mebbe meble meele meell meemu meere mekel meker mekle mekul melbu melee melek melem mell- melle melub melur membe memel memer merel merer merke merle merre merul merur meuer meule meure mmmmm mreru mrlee muble mukel muker mukke mukul mukur mulek muler mulle mulur mumbe mumle mumlu mumme mummu mureu murle murre murru muruk murum rebbe rebel reber reeme reere rekel rekem rekke rekle relee relek relue remee remel remer remue rere- reree rerum reuel reuer reule reume rubee rubel ruber rubke ruble ruele ruell ruere rukel rukke ruler rumbe rumer rummu ruule ubble uber- ubume ukeke ulker ullur ulmer ulrum ululu uluru umbe- umbel umber umble umblu umbre umeer umeme urelu ureme urkel urker urubu uuuuu