detur deure deut- deuto do-do dobee dober dobre dobro dodge dodoo dodro doerr dofor dogbo dogge doggo dogof dogue doodo doore doote doout dordt dored doree doret dorff dorge dorog dorot dorre dorte dorud doted doter dotoo dotto doubt doude douer doufe doufu doure douro doute drbob drdre dredd drede dredg dreed dreff dreft dreof drere drgeo drobe drobo drode drofe droff drog- drogo drood droof droog drote drott droue droug drout drude drugu dtour dubbo dubee duddo duded duder dudou duere duerr duete dueto duett dufur durbe dured duree durer duret durre durte durtu dutte e-dee e-otd ebbed ebber ebbet eberg ebert eboue ebure edder eddoe eddre edeo- edere edfor edged edger edoor edott edred eeeee eefde eerde ef-tu efere efetf effed effer effet efore efter efuru efutu egbdf egede egged egger egret eofor eorre erbbe erber erdor erdre erdut erede erege erere erfde ergo- ergot erode erodr eroge eroor erore eroto erred error errtu erte erter ertug erugo etete etoro etour etree etrog etter etude eturu eubro eufod euro- eurre febre fedde fedee feder fedor fedto feeor feere fefor fegue feode feoff feood ferde fered feret ferr- ferre ferro ferte feted feter feto- fetor fette feued feuer feuge feute fodge fodor fogbo foggo fogou fogue foodb foord foore foote ford- forde fordo fore- foreo foret forge forgo forro forte forto forud forur fotte fotur foude fouee fouet fouge fougo fourb fourd foure fourg fouro frede fredo freed freer freet frege frere frett freud freur frobe frodo froed frood froot frore frote froud frude frugo frute fruto ftord ftrtt fu-fu fudde fuddu fudge fudog fuego fuero fugee fuger fugro fugue fugug furbo furde furo- furor furud futog futur fuudo gbedu gberg gberu gbfte geber gebet gebre gebur gedeb gedeo geder gedge gedre gedur geebo geere geert geete gefte gegge geode geoff georg gerbe gerbo gerd- gerde gerdt gerdu gerre gertt geruf getee geter getgo gette getto go-go go-oo go-to gobbe gobbo gobeo gobet gobot godbe goddo godet godor godot godre gofer goffe gofor goget gogro gogue goobo goode goodg goodo gooed gooff googe goord goore goote goout gorbe gorde gordo gored goree gorer gorge gorgo gorod gorre goter gotoo gotor gotto gotur goude gouet goufe gouge gourd goure grebe grebo grede greed greef greer greet grefe greff grege gregg grego greot grete grett greut grftr grgur grodd grode grodt groet grofe groff groge grogg grood groof groot grote grott groud groue grouf grout grrrr grubb grube grude grued grufe gruff gruft grure gruut gtrot gtube gubbe gubbo guber gubru guddu gudeg guder gudge gudur guede guere guero guged guoge gurge guroo gurre gurro gurur gutte o-dog o-fer o-r-b obbet obedt obegu oberg obert obete obodo oboro obote oboue obout obreb obudu odder oddur odebo odeto odeur odore odour odttf odudu odure oduro ofdog offed offer offof offre offto ofget ofgod ofoto ofour ofter ogeed ogode ogogo ogugu oo-er ooooo orbed orbot order ordet ordre ordro oredo oreed oreo- orere orero orfeo orfeu orfoe orfor orgue orobe orobo orodo oroer orout orret orrgo orter ortet ortoo orube oruro orutu otego otere otero ototo otour otter ottur oture oubut ouder ouedo ouert ouoro ourde oure- outdo outed outer outgo outof outre outro outto rebbe rebeg reber rebet rebud rebut redbd redde reder redor redot redub redug redur reede reefe reeft reege reere refdb refed refer refet reffe reffo refut reger reget regge reggo regtt regur regut reord reorg rerde rere- reree reret rerob reted retee reter retgo retrg retro rette retto reuer reuet reute ro-ro robbe robbo robed rober robo- robor robot robrt robte robur rodbo rodde roded rodef rodeo roder rodge rodor roero roffe rofor roger roget rogge rogue roode roodu rooer roofe rooft rooge roore roote rooue rorbu rorer roteb roted roter rotge roto- rotor rotot rotte rotto roubt roude rouer rouet roufe rouge roure route routt rubee ruber rubof rubor ruder rudge ruede ruegg ruere ruete ruffe ruffo rufo- ruger ruget rugge rurde ruter rutog rutte ruutu t-dog tbtbt tbutt teber tebet tedef teder tedge teege teerd tefe tegre tegur teodo teret tereu terge tergo tergu teror terre terro tert- teruo teter tetr- tetro tette teuge teuto to-be to-do to-go tobbe tobed tobeg tober tobet tobog tobor tobot tobou tobre toder todor toego toeof toerr toeto tofet toffo tofor tofte toged toget togge togou togue toobe toode tooed toord toore torbe torde tordu tored toreo toret torgo torob torog torre torro torte torto tortu torud torue toted toter toto- totoe totoo totte tougu tourd toure touro toute treed treer treet trefe treff treg- trego trere trete trett treut trode troee trofe troff troft trood trott troue trout trubu trude trudo trued truer truff trugg trugo truro trute ttttt tubed tuber tubo- tubod tubof tubog tubou tuder tudor tudou tudre tudur tuero tuffe tufte tugof tugou tuotu turbe turbo turbt turet turgo turot turre turro turtu turut tutee tuteo tutor tutte tutto tuuru u-dub u-god uber- ubobo udder udege udert udged ufere ufofu uforb ugoff ugro- ugrug uouee urdee urdog uredo ureo- urged urger urgut uroob urour urter urubu urutu utebo uter- utero utrdb utro- utror utter uttur utube uturu ututo uuuuu

b-tree bbbbbb be-ode bebeto bebout bedbug bedded bedder beddoe bedebt bedote bedout bedrug beduru beebee beebug beedee beefed beefer beegee beerde beeter before beforu befour befree befret begfor begged begger begoff begogo begood begore begoro begoud berbee berbeo berber berede bereet bereft berege berere berger berour berrer berret bertre berube betere betete betrue betted bettee better bettor betutu beugro beurre bgoode bobbed bobber boberg bobete bobote bodder bodett bodged bodger bodrog boeber boegoe boerge boerre bofete boffed boffet bogert bogged bogger bogodo bogoff bogore bogoro bogote boobed boober booboo booder boodge booger booget boorde booted bootee booter booue borbor border bordre boreto borfee borged borger borgue borogo borore bororo borte botere botero botete botoro botree botted botter boture boubou boudet boudou boueer bouerd boufee bouffe bouged bougee bouget bougou bougre bougue bourde bouree bourou bourre boutef bouter boutet boutob boutre boutte bredbo bredde breded breder breede breefe