lolo loob looe loof lool loor lore lori loro loue loui loul lour louu lrif lroi lrrr lube luef luer lufe luff lufu luif lule luli lull lulu lure luri o-eo obbo obel ober obie oble oblu oboe oboi obol obor obre obri obro oeil oele oere oeuf ofer off- offe offo offr offu ofor ofre oier oiii oire olbo ole- olef olei oleo oler olfe olib olie olio olle olli ollo olof olor olur oobe oobi ooer ooff oolo oooo oore orbb orbe orbi orbo orbu ore- oreb orel oreo orer orfe orff orfi orfu ori- orie orif oril orio orle orlo orlu oro- oroe orof oror orri orro orub ouer oufe ouff ouie ouii ouir oule oulu our- oure ouro ouu- rbbb rbbr rble rebb rebe rebo rebu reeb reef reel refe reff refi refl refr refu reif reii reil reir reiu relb rele rell relo reof reol reou rere reri rero reru reue reuf reul reuu rfef rffl rib- ribe ribo ribu rief riel rier rieu rife riff rifu riif rile rill rilo rilu riol riou rire riri riue rlee rlef rleu rlif rob- robb robe robi robo robu roel roer rofe roff rofl rofo roif roil roio roir roiu role rolf roll rolo roob roof rooi rool roor rore rori roro roru roub roue rouf roul rrif rrle rrrr rubb rube rubi rubu ruel ruer rufe ruff rufo ruif rule rull rulo rure ruri ruro ruru u-ie ubbe ubbi ubbo uber ubii ubir uble ubli ublo ueir uele ueli uell ufel ufer uffe uile uirr uleb ulee uleo ulfe ulie ulle ulli ullo ullr ulo- ulul uofl uofo uor- uore urbe urbi ure- urfe urff urfi urib urie urif uriu urle uro- urol uroo urre urri urur uulu uuri uuuu

bbbee be-er be-ro bebel beber beblo beebe beele beeli beeri beffe befie befoe befol befor befur beibi beier beife beire belbo belee belef belie belif beliu bellb belle belli bello belue belur beofe beoff 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 biefe biele biere bieri bifer biffi biffo bifor bilbe bilbi bilbo bilel bili- bilif bille billi billo billu biore bioue bioul birel birie birle birol birou birur biure bleer bleib blere bleue blier blife bliue bloef bloor blorb blore bloue bluer bluff blufi blufr bluie blurb blure blurr bo-bo bobbi boble bobr bobre bobri boeol boero boeuf boeur boffi boffo 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 breef breel breer breil brell brelo breo- brere breu- bribe brief briel brier brifu brill briou brobo broer broil brole broll brolo brool broue brrrr bruer bruff bruiu brule brull bruri bubbe buber buble bueil buell buffe buffi buffo bufle buile buire bulb- bulbi buliu bull- bulle bulli bulou bulul burel burfi 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 efere eferi effer effie effio efile efore efrei efuru eieio eifel eiler eillo eirie elbie elele eleo- eleri eliel elife ellel eller ellie ellio elloe ellul eloee eloff eloie elole eloor elore eloro elrio elrob elubo elulu eluru eofor eoile eolie eorre erbbe erber erbil erere erier eriff erio- eriol eroor erore errol error eubie eubro euell euler eurel euro- eurre febel febio feble febre feele feeor feere fefor feier feile feliu felle felli feoff feole ferel ferie ferio ferle ferlo ferr- ferre ferri ferro feuer feule ffeil fiber fibr- fibre fibro fieee fieri fiero fifer fifie filer fili- fille fillo filur fiole fiore fiori firee firei firer firie firle firou firre fleer fleil fleir flere flero fleur flibe flier flire flirr floor flore floro floru flour fluff fluo- fluor flurb flure flurr foile foir- foire folie folio folle folli follo foloi foole fooli foore fore- forel foreo forio forli forro forur fouee fouel foule fourb foure fouro freei freel freer freir frere freur friel frier frile frill friol frobe frore fruli fu-fu fuero fulbe fulle fullf fullo furbo furel furie furil furio furir furo- furor i-beo ibbur ibele ibeof ibero ibibo ibill ibore ieiri ierei ieroe if-- ifeel ifell ifere iffou ifill iflee iiiee iiiii ilebo ileo- ileri ilife iliff ilio- illbe iller illui ilobu ilori ilulu ioffe ioooi ioooo iorio irele iriel irill irobo irori irour irrel irule iuliu iurie lebel leber leeli leell leeof leere lefeu leffe lefou leful leibi leile leill leio- leire leiro lelei leleu lelio lelle lelli leoii lerer lerie leroi leuro li-fi libbe libel liber liboi libor libre libri libro libru liebe lieli lieof liere liero lifei lifer liffe lifie lifou lilfu lilie liliu lille lilli lillo lilou liour liril lirio lirui liubo liule liuli liure lo-fi lobbe lobbo lober lobi- lobie lobio lobir loble lobo- lobor loeil loeri lofer loffe lofoi lofou loibl loilo loire lolei loler lolif 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 lufre luife luiff luire luiro lulle lulli lulul lurer lurie lurio lurue luuri o-fer o-r-b obeie obele obeli oblio obole oboli obolo oboro oboue obreb oeiro oelib oerel oerle ofeli offer offie offir offof offre oflie ofoil ofori ofour oiler oille oilof olei- oleo- olere olier olife oliff oliue ollei olleo oller ollie ollio ollur olofi olour oo-er ooioo oolie ooooo oorie orble orebi orell oreo- oreoi orere orero orfei orfeo orfeu orfoe orfor orful oribe oribi oriel orill oriol orobe orobo oroer orolu orube oruro ouir- oullo ouoro oure- ourie ourol rebbe rebel reber rebol reefe reere refel refer reffe reffo refil reiff reile reill relee relie relif relli rello relue reoil reoli rere- reree rerir rerob