bbbee be-er be-ro bebel beber beblo beebe beele beeli beeri beibi beier beire belbo belee belie beliu bellb belle belli bello belue belur beoir beour berbe berei berel berie beril berio beriu berle berli berlo berob beroe berol beror berre berri berru beuer beuil beule beure bi-lo bibbe bibbo bibel biber bibie bibio bible bibri biebe biele biere bieri bilbe bilbi bilbo bilel bili- bille billi billo billu biore bioue bioul birel birie birle birol birou birur biure bleer bleib blere bleue blier bliue bloor blorb blore bloue bluer bluie blurb blure blurr bo-bo bobbi boble bobr bobre bobri boeol boero boeur boibe boier boilo boire boiro bolbe bolel boleo boler boll- bolle bolli bollo bollu booer boole boore booru borbo boree borel borer borio borle boro- boroo borou borre borro borul bouee bouel bouer boul- boule bouli boulo boure bouri brebu breel breer breil brell brelo breo- brere breu- bribe briel brier brill briou brobo broer broil brole broll brolo brool broue brrrr bruer bruiu brule brull bruri bubbe buber buble bueil buell buile buire bulb- bulbi buliu bull- bulle bulli bulou bulul burel burie burio burle burli burol buroo burri burro burru ebber ebbie ebble ebell ebelo eberl ebibe ebill eblul eboli eboue ebrio ebull ebure eeeee eeler eerie eieio eiler eillo eirie elbie elele eleo- eleri eliel ellel eller ellie ellio elloe ellul eloee eloie elole eloor elore eloro elrio elrob elubo elulu eluru eoile eolie eorre erbbe erber erbil erere erier erio- eriol eroor erore errol error eubie eubro euell euler eurel euro- eurre i-beo ibbur ibele ibero ibibo ibill ibore ieiri ierei ieroe iiiee iiiii ilebo ileo- ileri ilio- illbe iller illui ilobu ilori ilulu ioooi ioooo iorio irele iriel irill irobo irori irour irrel irule iuliu iurie lebel leber leeli leell leere leibi leile leill leio- leire leiro lelei leleu lelio lelle lelli leoii lerer lerie leroi leuro libbe libel liber liboi libor libre libri libro libru liebe lieli liere liero lilie liliu lille lilli lillo lilou liour liril lirio lirui liubo liule liuli liure lobbe lobbo lober lobi- lobie lobio lobir loble lobo- lobor loeil loeri loibl loilo loire lolei loler lolli lollo lolol loobu looer looie loore lorel loreo lorer lorie lorio lorre lorri louer louie loule loure louri louro lubbe lubei luber lubie luble lubur luebo luire luiro lulle lulli lulul lurer lurie lurio lurue luuri o-r-b obeie obele obeli oblio obole oboli obolo oboro oboue obreb oeiro oelib oerel oerle oiler oille olei- oleo- olere olier oliue ollei olleo oller ollie ollio ollur olour oo-er ooioo oolie ooooo oorie orble orebi orell oreo- oreoi orere orero oribe oribi oriel orill oriol orobe orobo oroer orolu orube oruro ouir- oullo ouoro oure- ourie ourol rebbe rebel reber rebol reere reile reill relee relie relli rello relue reoil reoli rere- reree rerir rerob reuel reuer reuil reuir reule reuli ribbi ribel riber ribie ribo- rieul riler rille rillo rioli riolo ririe riuel riuer ro-ro robbe robbi robbo rober robie roble robo- robor robur roell roero roile roleo rolle rollo rooer roole roore rooue rorbu rorer rouer roule roull roure rubbi rubee rubel ruber rubie rubio ruble rubor ruele ruell ruere ruili ruiru ruler rulli rullo ruule ubble uber- ubirr ubobo uiro ullur ululu uluru uouee urelu ureo- uribe uriel uroob urour urubu uruli ururi uuuuu