bbbee be-er be-ro bebel beber beblo beebe beele belbo belee belem bellb belle bello belue belum belur bembe bembo bemer bemol beour berbe berel berle berlo berme bermo berob beroe berol berom beror berre berru berum beuer beule beure bleer blere bleue blome bloom bloor blorb blore bloue bluer blume blurb blure blurr bo-bo boble bobr bobre boeme boeol boero boeur bolbe bolel boleo boler boll- bolle bollo bollu bolme bombe bombo bomel bomer bomlo bomme booer boole boomb boore booru borbo boree borel borer borle bormo boro- borom boroo borou borre borro borul borum bouee bouel bouer boul- boule boulo bouml boure brebu breel breem breer brell brelo breme bremm bremo breo- brere breu- brmmm brobo broer brole broll brolo brom- brome bromo brool broom broue brrrr bruer brule brull brume brumm bubbe buber buble buell bulb- bull- bulle bulou bulul bumbo bumbu bumme burel burle burol buroo burro burru ebber ebble ebell ebelo eberl eblul eboue ebull ebure eeeee eeler elele eleme eleo- ellel eller elloe ellul elmer eloee elole elome eloor elore eloro elrob elubo elulu eluru embee embel ember emble embro embue emeer emele emell emere emerl emmer emore emule emure eomer eorre erbbe erber erem- eremo erere erome eroom eroor erore errol error eubro euell euler eum-u eumel eurel euro- eurre lbomb lebel leber leell leeme leere leleu lelle lembo lemel lemer lemme lemmo lemur leome lerer lerum leuro lmore lmule lobbe lobbo lober loble lobo- lobor loler lollo lolme lolol lombe lombo lomer lomme loobu looer loomb loore lorel lorem loreo lorer lorom lorre lorum louer loule loure louro lubbe luber luble lubur luebo lulle lulom lulul lumb- lumbe lumbo lumer lumle lumme lurer lurue mbebe mbere mbole mbolo mboro mbube mbule mbulu mburu mebbe meble meebo meele meell meemu meere melbu melee melem mell- melle mello melo- meloe melor melub melur membe memel memer memor meolo merel merer merle merlo mero- meroe merom meroo meror merre merul merur meuer meule meure meuro mmmmm mmole mobee moble mobme mobor mobro moeer moeme moere moero molem moler molle mollo mollu molor mombo mombu momel momlu momme momoe mooer moole mooll moolu moore mooro morbo moree morel morem morer mormo moror morou morre morro morue morum moule moulu moure mreru mrlee mrmom mrorr muble muler mulle mullo mulur mumbe mumbo mumle mumlu mumme mummu mureu murle murlo murol murom muror murre murro murru murum o-r-b obele obole obolo oboro oboue obreb obrom oerel oerle oerme oerum oleo- olere oleum olleo oller ollur olme olmue olomu olour olumu ombe- omber ombre omele omell omemo omero ommel omore omoro omule omulu oo-er ooooo orble orbom orell oreo- orere orero orlem ormer ormur orobe orobo oroer orolu orome oromo orrum orube oruro oueme oullo oumer ouoro oure- ourol rebbe rebel reber rebol reeme reemo reere relee rello relmo relue remee remel remer remor remou remue reome rere- reree rerob rerum reuel reuer reule reume ro-ro robbe robbo rober roble robo- robor robur roell roero roleo rolle rollo rolmo rombe romel romeo romer romme rooer roole roome roomu roore rooue rorbu rorem rorer rouer roule roull roume roumm roure rubee rubel ruber ruble rubor ruele ruell ruere ruler rullo rumbe rumbo rumer rummo rummu rumor ruomu ruule ubble uber- ubobo ubume ulemo ullur ulmer ulrum ululu uluru umbe- umbel umber umble umblu umbre umbro umeer umelo umeme umore umour uouee urelu ureme ureo- uroob urour urubu uuuuu