golu goog gool goor goot gorb gore gorg goro gorr gort gote gotl goto gott gotv gou- goug goul gour gout gove govt grbr greb gree greg gret greu grev grob grog grol groo gror grot grou grov grrl grrr grub grue grug grur grut grve gtbr gtoe gubb gubu guel guer gugb guge gugg gugu gulb gule gull gulo gult gulu gurb gure gurg gurl guro gurr gurt guru gute guto gutt gutu gvtv gvvv lbgt lblr lbrt lbug le-u lebo lebu leel leer leet lege legg lego lele lell lelo lelu leog leor leou leov lere lero lert lete leto lett leur lev- leve levo lgbt lgbu lger lgov lgte llet lleu llll lloo lo-v lob- lobb lobe lobo loeb loeu log- logb loge logo lole loll lolo loob looe lool loor loot lore loro lote lotl loto lotr lott lotv loue loul lour lout louu love lovo lrgb lrrr lrtv ltbl ltee ltge lttr lttv lube lueg luer luge lugg lugo lugu lule lull lulu lure lurg lurt lurv lute lutv luve lvov lvrr o-eo obbo obel ober obet oble oblu oboe obol obor obot obre obro oegb oele oere ogb ogbe ogee ogel oger ogge ogle ogog ogou ogre ogro olbo ole- oleg oleo oler olet olev olgr olle ollo olog olor olot olov oltu olur oobe ooer oolo oooo oore 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 orve orvr otee oter oto- otoe otog otoo otor otov otre otro otte otto ottu otur ouer ouge oule oulu our- oure ouro ourt out- outb oute outo ouu- ovee over ovet ovo- ovol ovoo ovot ovre rbbb rbbr rble rebb rebe rebo rebu reeb reel reet reev 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 reve revo rgbe rgtr rlee rleu rlug rob- robb robe robo robt robu roeg roel roer roet roev 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 rove rovo rrle rrrr rtee rtle rtlt rtve rubb rube rubu ruel ruer ruet ruge rugg rule rull rulo rure ruro ruru rute rutl ruto rutt rutu ruve ruvu rver tbrb tebo tebu teel teer teet teev tegg tego tegt tegu tel- tele telg tell telo telt telu teor ter- tere tero terr teru tete teto tetr tett tetu teut tevl 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 torv tote toto totr tott toug toul tour tout touv tove tovo tre- tree treg treo tret treu trev trge troe trog troo trot trou trte trtr trub true trug trut truu trvl 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 tvel tver tvro tvrr tvtv 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 uovo urbe ure- uret urge urgu urle uro- urol uroo urre urte urur urut urve utel uter utor utto uttu utug uulu uuuu uv-b uvel uver uvvu vbrg veel veer veet vege vel- vele vell velo velt velu veol veor ver- verb vere verl vero vert vete veto vetr veur veve vevo vlog vlug vlvt voel voer voet voeu voge vogl vogt vogu vole voll volo volt voog vool voor voot vor- vore voro vort voru vote voto voue voul vour vout vrbl vreo vret vrot vrto vtol vtvl vuel vugg vugo vulg vull vult vurb vurg vurt vutv vver vvob vvog vvvv

-tree bbbee be-er be-ro bebel beber beblo bebog bebot beebe beele beete beeut beeve begee beget begge begle begob begor begot begto begue begur begut belbo belee beleg belet belge belgo bellb belle bello belot belov 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 beuve bevel bever bevor bevue bleer bleet blere blete bleue bleve bloor blorb blore blort blote bloto blott bloue blout bluer bluet blurb blure blurr blurt bluto bo-bo bobet boble bobov 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 borov borre borro borul borut borve borvo botel botet botev botou botro botte bottu bouee bouel bouer bouet bouge boul- boule boulo boult boure bourg boute bouto bovee bovel brebu breel breer breet breg- brege bregg brell brelo breo- brere breto brett breu- breve 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 burov burro burru burte burtt burut buteo buter butle buto- butor butot butou butov butte butuo butut ebber ebbet ebble ebell ebelo eberg eberl ebert eblul eboue ebull ebure eeeee eeler eevee eever egger eglog egret elbot eleet elegu elele eleo- eleot eleut eleve elge elgee elger elgol ellel eller ellet elloe ellul eloee eloge elole eloor elore eloro elote elout elrob eltro elubo elulu eluru elute elver elvet eorre erbbe erber erege erere ereve ergo- ergot eroge eroor erore eroto errol error errtu erte ertel erter ertug erugo etete etoll etool etoro etour etree etrog ettel