oort ootb orbb orbe orbo orbu ore- oreb oreg orel oreo orer orge orgo orle orlo orlu oro- oroe oror orot orro orte orto orub otee oter oto- otoe otog otoo otor otre otro otte otto ottu otur ouer ouge oule oulu our- oure ouro ourt out- outb oute outo ouu- rbbb rbbr rble rebb rebe rebo rebu reeb reel reet rege regl rego regr regt regu relb rele rell relo relt reog reol reot reou rere rerg rero rert reru rete reto retr rett reue reul reut reuu rgbe rgtr rlee rleu rlug rob- robb robe robo robt robu roeg roel roer roet roge rogg rogo role roll rolo rolt roob roog rool roor root rore roro rort roru rote rotg rotl roto rotr rott roub roue roul rout rrle rrrr rtee rtle rtlt rubb rube rubu ruel ruer ruet ruge rugg rule rull rulo rure ruro ruru rute rutl ruto rutt rutu tbrb tebo tebu teel teer teet tegg tego tegt tegu tel- tele telg tell telo telt telu teor ter- tere tero terr teru tete teto tetr tett tetu teut tgel tgle tobe tobo tobt tobu toee toer toet toge togo togr togt tol- tole toll tolo tolt tolu tool toor toot tore torg toro torr tort toru tote toto totr tott toug toul tour tout tre- tree treg treo tret treu trge troe trog troo trot trou trte trtr trub true trug trut truu ttbb tteo tter ttoe tttt ttul tubb tube tubo tubr tubu tuel tuer tuet tugg tugu tule tull tulo tulu tuor turb ture turg turo turr turt turu tute tutl tuto tutt tutu tuuo ubbe ubbo uber ubet uble ublo uele uell ugeo uggo uggt ugol ugro ugur uguu uleb ulee uleo ulle ullo ullr ulo- ulog ulto ultt ulul uor- uore urbe ure- uret urge urgu urle uro- urol uroo urre urte urur urut utel uter utor utto uttu utug uulu uuuu

-tree bbbee be-er be-ro bebel beber beblo bebog bebot beebe beele beete beeut begee beget begge begle begob begor begot begto begue begur begut belbo belee beleg belet belge belgo bellb belle bello belot belue belur belut beote beour berbe bereg berel beret berge 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 bleer bleet blere blete bleue bloor blorb blore blort blote bloto blott bloue blout bluer bluet blurb blure blurr blurt bluto bo-bo bobet boble bobr bobre boege boeol boero boeur bogel boger boget bogge bogle bogoe bogor bogot bogu bogue bogur bogut bolbe bolel boleo boler bolet bolge boll- bolle bollo bollu bolte bolto booer boole boore boort booru borbo boree borel borer boret borge borgo borgu borle boro- boroo borot borou borre borro borul borut botel botet botou botro botte bottu bouee bouel bouer bouet bouge boul- boule boulo boult boure bourg boute bouto brebu breel breer breet breg- brege bregg brell brelo breo- brere breto brett breu- brlog brobo broer brole broll brolo brool broto broue brout brrrr bruer bruet bruge brugg brule brull brute btr-t bubbe buber buble buell buger bugge bugle bugol bugoo bugre bulb- bulge bull- bulle bulou bulto bulul bulut buolt burel buret burge burgo burgu burle burol buroo burro burru burte burtt burut buteo buter butle buto- butor butot butou butte butuo butut ebber ebbet ebble ebell ebelo eberg eberl ebert eblul eboue ebull ebure eeeee eeler egger eglog egret elbot eleet elegu elele eleo- eleot eleut elge elgee elger elgol ellel eller ellet elloe ellul eloee eloge elole eloor elore eloro elote elout elrob eltro elubo elulu eluru elute eorre erbbe erber erege erere ergo- ergot eroge eroor erore eroto errol error errtu erte ertel erter ertug erugo etete etoll etool etoro etour etree etrog ettel etter ettle eturu eubro euell euler eurel euro- eurre g-log gbelo gberg gberu gebel geber gebet gebre gebur geebo geere geert geete gegge gelee geler gelle gello gelou gelru gelto gelug georg geoul gerbe gerbo gerle gerre gertt getee geter getgo gette getto ggulu glebe gleer gleet glegg glele glere glete glett globe globo gloet glogg gloor glore glote glott gloue glour glout glubb gluer glut- glute gluto glutt go-go go-lo go-oo go-to gobbe gobbo gobel gobeo gobet gobot gogel goget gogle gogol gogro gogue gogul golbo golee golet golle gollu golob golog golol golub golug goobo googe goole goore goote goout gorbe goree gorel gorer gorge gorgl gorgo gorle gorlo gorre goter gotoo gotor gotto gotul gotur gouet gouge goule goult goure gourl grebe grebo greer greet grege gregg grego grell greot grete gretl grett greut grgur groel groet groge grogg grole groll groot grote grott groue groul grout grrrl grrrr grubb grube gruel grure gruut gtool gtrot gtube gubbe gubbo guber gubru guell guelt guere guero gugel gugul guler gulet gulle gulo- gulou gulte guoge gurge gurle gurlt guroo gurre gurro gurur gutte lebel leber lebet leell leere leert leger legge leggo legto leleu lelle lerer lerge lerot letbe letgo letot letre lette letto letur leuge leuro llerg lobbe lobbo lober loble lobo- lobor logge logo- logol logue loler lollo lolol loobu looer looge loore loote lorel loreo lorer loret lorre lorut lotor lotru lotte lotto louer louge loule loure louro lubbe luber luble lubur luebo luego luger lugge lugol lugre lulle lulte lulul luogu lurer lurgg lurue lute- luteo luter lutol lutte lutto o-r-b obbet obegu obele oberg obert obete oblog obole obolo oboro obote oboue obout obreb oelet oerel oerle oggel oggle ogler ogogo ogugu oleo- olere olleo oller ollur olotu olour oltet oltre oo-er oogle ooooo orble orbot orell oreo- orere orero orgel orgle orgue orgul orlet orobe orobo oroer orolu orout orret orrgo orter ortet ortoo orube oruro orutu otego otell otelo otere otero otole otolo ototo otour otter ottur otulu oture oubut ouert ougle oullo ouoro oure- ourol outer outgo outre outro outto rebbe rebeg rebel reber rebet rebol rebut reege reere regel reger reget regge reggo regle