olbo oldb olde ole- oled oleo oler olet olle ollo olor olot oltu olur oobe ooer oold oolo oooo oord oore oort ootb orbb orbe orbo orbu orde ordo ordu ore- oreb ored orel oreo orer orle orlo orlu oro- oroe oror orot orro orte orto orub otbd oted otee oter oto- otoe otoo otor otre otro otte otto ottu otur oude oued ouer ould oule oulu our- oure ouro ourt out- outb oute outo ouu- rbbb rbbr rble rder rebb rebe rebo rebu redd rede redl redo redr redu reeb reed reel reet relb reld rele rell relo relt reod reol reot reou rerd rere rero rert reru retd rete reto retr rett reue reul reut reuu rldt rlee rleu rob- robb robe robo robt robu rodd rode rodo roed roel roer roet rold role roll rolo rolt roob rood rool roor root rore roro rort roru rote rotl roto rotr rott roub roud roue roul rout rred rrle rrrr rtdt rtee rtle rtlt rubb rube rubu rudd rude rudl rudo rued ruel ruer ruet rule rull rulo rurd rure ruro ruru rute rutl ruto rutt rutu ruud tbrb tddb tdor tebo tebu tedd tede teed teel teer teet tel- teld tele tell telo telt telu teor ter- tere tero terr teru tete teto tetr tett tetu teut tldr tobe tobo tobt tobu todd tode todo todt todu toed toee toer toet tol- told tole toll tolo tolt tolu tood tool toor toot tord tore toro torr tort toru totd tote toto totr tott toul tour tout tre- tred tree treo tret treu trod troe troo trot trou trte trtr trub trud true trut truu ttbb tteo tter ttoe tttt ttul tubb tube tubo tubr tubu tude tudu tuel tuer tuet tule tull tulo tulu tuor turb turd ture turo turr turt turu tute tutl tuto tutt tutu tuuo ubbe ubbo uber ubet uble ublo ubod ubud udel uder udet udoo udot uele uell ulde uleb ulee uleo ulle ullo ullr ulo- ulto ultt ulul uor- uore urbe urde urdu ure- ured uret urle uro- urol uroo urre urte urur urut utel uter utor utto uttu uulu uuuu

-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed bebel beber beblo bebod bebot bedde bedee bedel beder bedet bedle bedot bedub bedue beebe beede beeld beele beerd beete beeut belbo belde beled belee belet bellb belle bello belot belue belur belut beode beord beote beour berbe berde berdu bered berel beret berle berlo berob beroe berol beror berre berru berte berto betee betel beter betle betoo betor betou betre bett- bette betto betul beuer beule beure beute bledd blede bleed bleer bleet blere blete bleue blood bloor blorb blore blort blote bloto blott bloue blout blude blued bluer bluet blurb blure blurr blurt bluto bo-bo bobet boble bobr bobre bodd- boded bodel boder bodle bodoe bodor boedo boeol boero boeur bolbe boldo boldt boldu boled bolel boleo boler bolet boll- bolle bollo bollu bolte bolto boode booed booer boold boole boord boore boort booru borbo borde bordo bored boree borel borer boret borle boro- borod boroo borot borou borre borro borul borut botel botet botou botro botte bottu boudu boued bouee bouel bouer bouet boul- bould boule boulo boult bourd boure boute bouto brebu bredd brede bredt breed breel breer breet brell brelo breo- brerd brere breto brett breu- brobo brodd brode brodo broer brole broll brolo brood brool broto broud broue brout brrrr brud- brude brued bruer bruet brule brull brute btr-d btr-t bttld bubbe buber buble budde buddu budel budur buell bulb- bulde bull- bulle bulou bulto bulul bulut buolt buord burde burel buret burle burol buroo burro burru burte burtt burud burut butdo buteo buter butle buto- butor butot butou butte butuo butut d-dot d-rod dbtel ddddd ddebo debed debel deber debet deble debot debro debte debut dedde dedee deder dedlu dedur dedut deede deele deere deled delee deleo deleu delle dello deloo delor delut deool deore deoro derbe derde dered derlo dero- derob derre derro derub derue deter detoo detre dette detuo detur deuel deule deure deut- deuto do-do do-ol dobee dobel dober doble dobre dobro dodol dodoo dodro doele doerr doled dolee doler dolle dollo dollu dolor doodo doole doore doote doout dordt dored doree doret dorot dorre dorte dorud doted dotel doter dotoo dotto doubt doude douel douer doull doure douro doute drbob drdre dredd drede dreed dreel drelb drell drere dreul drobe drobo drode drole droll drood drool drote drott droue droul drout drude dtour dub-l dubbo dubee duble dubul duddo duded duder dudle dudou duele duell duelo duere duerr duete dueto duett duler dulle dullu duloe dulte durbe dured duree durer duret durre durte durtu dutte e-dee e-otd ebbed ebber ebbet ebble ebell ebelo eberl ebert eblul eboue ebull ebure edder eddoe eddre edell edeo- edere edler edlut edolo edoor edott edred edule eeeee eelde eeled eeler eerde elbot elded eldee elder eldol eleet elele eleo- eleot eleut ellel eller ellet elloe ellul eloee elole eloor elore eloro elote elout elrob elrod eltro elubo elude elulu eluru elute eorre erbbe erber erdor erdre erdut erede erere erode erodr eroor erore eroto erred errol error errtu erte ertel erter etete etoll etool etoro etour etree ettel etter ettle etude eturu eubro euell euler eurel euro- eurre lebed lebel leber lebet ledee leder ledet ledol ledor ledro ledru ledto ledur leede leell leere leert leleu lelle lerdo lered lerer lerot letbe letot letre lette letto letur leude leuro lledo lobbe lobbo lobed lober loble lobo- lobor lodde loddo loded loder lodro loled loler lollo lolol loobu loode looed looer loord loore loote lorde lored lorel loreo lorer loret lorre lorut lotor lotru lotte lotto lotud loude louer loule lourd loure louro lubbe lubed luber luble lubur ludde luddu luder luebo lulle lulte lulul lurde lured lurer lurue lute- luted luteo luter lutol lutte lutto o-r-b obbet obedt obele obert obete obodo obole obolo oboro obote oboue obout obreb obudu odder oddur odebo odell