bbbee be-er be-ro bebel beber beblo beebe beele bejel bejou belbo belee belej bellb belle bello belue beluj belur beour berbe berel berle berlo berob beroe berol beror berre berru beuer beule beure bleer blere bleue bloor blorb blore bloue bluej bluer blurb blure blurr bo-bo boble bobr bobre boeol boero boeur bojer bolbe bolel boleo boler boll- bolle bollo bollu booer boole boore booru borbo boree borel borer borje borle boro- boroo borou borre borro borul bouee bouel bouer boul- boule boulo boure brebu breel breer brejo brell brelo breo- brere breu- brobo broer broje brole broll brolo brool broue brrrr bruer brujo brule brull bubbe buber buble buell bujeo bujor bujru bulb- bull- bulle bulou bulul burel burle burol buroo burro burru ebber ebble ebell ebelo eberl eblul eboue ebull ebure eeeee eeler ejler ejule ejure elele eleo- ellel eller elloe ellul eloee elole eloor elore eloro elrob elubo elulu eluru eorre erbbe erber erere eroor erore errol error eubro euell euler eurel euro- eurre jebel jejur jelle jello jeroo jerre jeulr jeure jobbe joe-e joell jolle jollo joree jorel joule joulu joure ju-ju jubbe jubeb jubel jubur jueju juler jurel juror juuru lebel leber leell leere lejre leleu lelle lerer leuro ljubo lobbe lobbo lober loble lobo- lobor lojer loler lollo lolol loobu looer loore lorel loreo lorer lorre louer loule loure louro lubbe luber luble lubur luebo lulle lulul lurer lurue o-r-b obejo obele obole obolo oboro oboue obreb oerel oerje oerle ojuju oleo- olere olleo oller ollur olour oo-er ooooo orble orell oreo- orere orero orlje orobe orobo oroer orolu orube orujo oruro oullo ouoro oure- ourol rebbe rebel reber rebol reere relee rello relue rere- reree rerob reuel reuer reule ro-ro robbe robbo rober roble robo- robor robur roell roero roleo rolle rollo rooer roole roore rooue rorbu rorer rouer roule roull roure rubee rubel ruber ruble rubor ruele ruell ruere ruler rullo ruule ubble uber- ubobo ujue ullur ululu uluru uouee urelu ureo- uroob urooj urour urubu uuuuu