tegg tegt tegu tenb tend tene teng tenn tent tenu ter- tere tern terr teru tete tetr tett tetu teut tndd tneb tnge tnut tre- tred tree treg tren tret treu trge trng trte trtr trub trud true trug trun trut truu ttbb tten tter tttt tubb tube tubr tubu tude tudu tuen tuer tuet tugg tugu tunb tund tune tung tunn tunu turb turd ture turg turn turr turt turu tute tutt tutu ubbe uber ubet ubud uden uder udet udgb udge udun uend uggt ugne ugur uguu unbd unbe unde uneb uned unee unen uner ungu unne untb unte unut urbe urde urdu ure- ured uret urge urgu urne urre urte urun urur urut uter utne uttu utug uuen uuuu

-tree b-e-d bbbee bbgun bd-re be-er bebed beber bedde bedee beden beder bedet bedub bedue bedug beebe beede beene beerd beete beeut begee beget begge begue begun begur begut bende bene- benet benge bengu benne bennu benue benun benur benut berbe berde berdu bered bereg beren beret berge bernd berne bernt berre berru berte berun betee beten beter betne betre bett- bette beuer beure beute bnetd brebu bredd brede bredt breed breen breer breet breg- brege bregg brend brene breng brenn brent brerd brere brett breu- brrrr brud- brude brued bruen bruer bruet bruge brugg brune brung brunn brunt brute bruun btr-d btr-t bubbe buben buber budde buddu budge budur bugen buger bugge bugre bugun bunde bundt bundu bunge bungu bunne bunte bunud bunun bunut burde buren buret burge burgu burn- burne burnt burru burte burtt burud burun burut buten buter butte butut d-tng ddddd debed deben deber debet debne debte debug debut dedde dedee deden deder dedun dedur dedut deede deene deere degen degre degut dende deneb denee dener denet denge denne dent- dente derbe derde dered dereg deren derge derne derre derub derue deter detre dette detur deure deut- dnert drdre dredd drede dredg dreed dreen dreng drent drere drude drugu drung dturn dubee duben dubne duded duden duder duere duerr duete duett duned dunet dungu dunne dunun durbe dured duree duren durer duret durre durte durtu dutte e-dee e-ten ebbed ebber ebbet ebene eberg ebern ebert ebner ebure edder eddre edere edern edged edger edred eeden eeeee eener eenet eerde eeten egede egene egged eggen egger eggng egner egret enbun ended enden ender endue enent enerd enete engen enger ennde ennet enrge enrut enten enter entre enugu enure enurn erbbe erben erber erden erdne erdre erdut erede ereen erege erere ergen ergun ernde ernen ernet erred errtu erte erter ertug ertun etern etete etnre etree etrun etten etter etude etung eturu eugen eunet eurre gbedu gberg gberu geben geber gebet gebre gebur gedeb geder gedge gedre gedur geere geert geete gegge genbu gendt gener genet genge genre gente gentu gerbe gerd- gerde gerdt gerdu geren gerre gertt getee geten geter gette gnede grebe grede greed green greer greet grege gregg grene greng grenn grent grete grett greut grgdn grgen grgur grrrr grubb grube grude grued grund grune grunt grure gruut gtube gubbe guben guber gubru guddu gudeg guder gudge gudur guede guene guere guern guged gugen gunde gundu guner gunge gungu gunne gunnr gunte guren gurge gurne gurre gurun gurur guten gutte ndere nderu nduru neber nebet nebtu nedde neded neden neder nedre neede neere neetu negeb neger negre negru negun negur nende nente neree neret nerre nerte nerur neten netne nette neuen neuer neueu neune neur- neure ngege ngeue ngrtd ngudu ngugu ngure nguru nnebe ntete ntntd nu-nu nuder nudge nudur nuget nunet nunge nunun nure- nurun nutte rebbe rebeg reber rebet rebud rebun rebut redbd redde reden reder redub redug redur reede reege reene reere regen reger reget regge regne regtt regur regut rende rendu renee reneg rener renet renge rengg renne rente rerde rere- reree reret rerun reted retee reter retnr retrg rette reuen reuer reuet reune reute rngtt rtenn rtgun rubee ruben ruber ruden ruder rudge rudne ruede ruegg ruere ruete rueun rugen ruger ruget rugge runde rundu runed runer runet runge rungu runne runte rurde ruten ruter rutte ruutu t-nut tbtbt tbutt teber tebet teder tedge teege teend teerd tegen tegre tegur tende tendt tendu tenen tener tenet teneu tenge tengu tenne tennu tente tenue tenur teret tereu terge tergu terne terre tert- teten teter tetr- tette teuge teugn tntnt treed treen treer treet treg- trend trene trent trere trete trett treut trubu trude trued truer trugg trung trute ttnet ttttt tubed tuber tuder tudre tudun tudur tuene tugen tugun tunde tundu tune- tuned tuner tunge tunne tunng turbe turbt turen turet turn- turne turnt turnu turre turtu turut tutee tutte tutun tuuru u-dub ubeen ubend uber- udder udege udenu udert udged ugene ugrug unbed unbet unbud undee unden under undub undue undug undun undur unend unete unged unger unget ungud ungur unnet unnun unnur unnut unred unrug unrun unted unten unter unurn urdee urent urged urger urgun urgut urned urter urubu urutu utenn uter- utrdb utter uttur utube uturn uturu uunet uuuuu

b-tree bbbbbb bebung bedbug bedded bedder bedebt bedeen bedene bedner bednet bedrug bedung beduru beebee beebug beedee beegee beenge beerde beerne beeter begged beggen begger begnet benben bended bender bendre benete benett bengbu benger bengre benner bennet bennur benreu bentee benter berbee berber berden berede bereet berege berend berene berere bergen berger bergne berndt berner bernet berrer berret bertre berube betere betete betrue betted bettee betten better betune betung beturn betutu beuren beurre bredde breded breden breder breede breege breere breger bregge brende brener brenne brette breuer brgnng brubru bruder brudet brudge bruern brugge bruner brunet brunne brurde bruree bruted btened bubber bububu budded budden budder buddug budged budgen budger budget budugu buerne bugbug bugden bugged bugger bugget bunbeg bunded bunden bunder bunged bungee bunger bunned bunnet bunted bunter burbet burbur burden burder burdet burdur bureng burgee burgen burger burn-e burned burner burnet burnut burred burree burren burrer burret burutu butene butere butner butnet butted butten butter dbette de-err debdeb debden debere debert debete debren debret debted