b-reel bbbbbb beblur beebee beebem beeker beeler beembe beemer beerme bekele bekker belbek belber belker beller belleu bellue bellum belull bemmel berbee berber bereel bereke berere berkel berker bermel berrer berube beumer beurre bleere blublu blumer blurre brebel breere brekke bremer bremke breuer brubru bruel bruker brulee brumel brumle bruree bubber bubble bubele bububu bueler bukkur bukler bukuru bulbel bulbul bulker bull-e bullee buller bulmer bumbee bumble bummel bummer bummle burble burbur burell burler burree burrel burrer buruku eberle ebulum eburru eburum eebree eeuler ekerem ekuele eleele elemer elumur emblem embree embrue embulk embull emeere emelle emmele emmure erbree ermler eubule euller kebber kebele keeble keeker keekle keeler kekule kelbke kelebe kelkel kellee kellem keller kembe kember kemble kemkul kemmel kemmer kemuel kerbel kerber kereru kerker kerkuk keuruu kleber kleeer kleemu klemme klub-u krekel kreker kremer krume kubeer kubler kukere kullum kullur kulmke kululu kum-bu kumble kumbuk kumbum kumbur kumkum kumlee kumler kummel kummer kummul kurell kurkul kurmuk kurree kurume kururu kuuele lebbek leelee leerer lekker lekkum lemeke lemele lemere lemmer lemuel lemure lubber lukulu luller lumbee lumber lurker lurulu mbembe meeble meeker meekle meerle mekell mekull melber meleke mellel meller mellum member membre mememe memere merbel merkel merkem merker merkle merkur mermer merrem merure mrblue muelle muklek mukluk mukuru mulere muller mullum mullur mulmul mulmur muluku mumble mummer murell murkle murmur murree murrel muumuu rebble rebell rebuke rebulb reeker reeler reeuel rekkem releke reller relleu relume remble remeue rereel rerule reubke reuele reuere reuler reulle rllmuk rubbee rubbel rubber rubble rubell rubrum ruelle rukkle ruleml ruller rumbek rumber rumble rumbur rumker rummel rummer rummle rumule rurkee umbrel umurlu urkulu