riet rieu rife riff rift rifu riif rire riri rite riti ritt ritu riue rred rrif rrrr rtbf rtdt rtee rtei rtfb rubb rube rubi rubu rudd rude rudi rued ruer ruet rufe ruff ruft ruid ruif ruit rurd rure ruri ruru rute ruti rutt rutu ruud tbit tbrb tddb tdff tdri tebu tedd tede tedi teed teef teer teet teff tefi teft teie teir teiu ter- tere terf teri terr teru tete teti tetr tett tetu teut tfeb tibi tibu tidd tide tie- tied tiee tief tiei tier tiet tiff tift tiit tiiu tirb tird tire tiri tirr tiru tite titi titt titu tre- tred tree tref trei tret treu trfd trfr tri- trib trie trif trit trte trtr trub trud true trut truu ttbb tter ttff tttt tubb tube tubr tubu tude tudi tudu tuei tuer tuet tufe tuff tufi tuft tufu tuit tuiu turb turd ture turf turi turr turt turu tute tuti tutt tutu u-ie ubbe ubbi uber ubet ubid ubii ubir ubit ubtf ubud uddi uder udet udid udir ueir ufer uffe uirr urbe urbi urde urdu ure- ured uret urfe urff urfi urft urib urie urif uriu urre urri urte urur urut uter utid utri utti uttu uuri uutf uuuu

-tree b-e-d bbbee bd-re be-er bebed beber bebti bedde bedee beder bedet bedid bedri bedub bedue beebe beede beedi beeft beerd beeri beete beeut beffe befie befit befur beibi beide beidi beidu beier beife beird beire beite berbe berde berdu bered berei beret berid berie berit beriu berre berri berru berte berti betee beter betid betie betre bett- bette betti beuer beure beute bibbe biber bibie bibri bidde biddu bided bider bidet bidri bidur biebe biefe bierd biere bieri biert bieti bifer biffi bifid biide birde birdu birie birur bited biter bitit bitru bitte bitti biure brebu bredd brede bredi bredt breed breef breer breet breid breit brerd brere brett breu- bribe bride bridi brief brier brifu brite britt brrrr brud- brude brued bruer bruet bruff bruit bruiu bruri brute btr-d btr-t bubbe buber budde buddu budur bufet buffe buffi buird buire burde burdi buret burfi burie burri burru burte burtt burud burut buter butid butit butte butut ddddd debbi debed deber debet debie debir debit debte debtf debut dedde dedee deder dedie dedir dedit dedur dedut deede deedi deefe deeff deere defed defer defet deffe defib defie deidt deiff deite derbe derbi derde dered derib derre derub derue deter detie detre dette detur deuit deure deuri deut- dibri diddu didee didie didit diebe dieri diete dired direr dirfi dirie diter ditib dittd ditti drdre dredd drede dreed dreff dreft dreid dreie drere dride dridu dried drier drife driff drift drite drude druid druie druri dubbi dubee dubi dubie dubti duded duder duere duerr duete duett dufur durbe dured duree durer duret durie durif durre durte durtu dutie dutte e-dee e-fit ebbed ebber ebbet ebbie ebeid ebert ebibe ebird ebure edder eddie eddir eddit eddre edere edidi edifi edred eeeee eefde eerde eerie eetti ef-tu efere eferi efetf effed effer effet effie efird efrei efter efuru efutu eider eidet eirie eiter eitri erbbe erber erdre erdut erede erere erfde eridu erier eriff erite eritu erred errtu erte erter etete etite etree etter ettie etude eturu eubie eurid eurre febre fedde fedee feder feere feier feird ferde ferdi fered feret ferid ferie ferit ferr- ferre ferri ferte feted feter feti- fetid fetii fetir fette feued feuer feute fiber fibr- fibre fided fidei fieee fieri fifed fifer fifie fired firee firei firer firie firit firre fitit fitri fitte frede fredi freed freei freer freet freir freit frere frett freud freur fride fried frier frite fritt frude fruit frute ftrtt fu-fu fudde fuddu fuide fuite furde furie furir furud futur i-bet i-bid ibbur ibert ibeti idbet idied idifu iebet ieiri ierei iette if-- ifere iffet ifrit ifttt iiiee iiiii iitti irbid irbit irete irid- iride irite irrit itbit itdid itete itfet itfit itire itter ittre ittti itu-d itu-r itu-t ituri ituru itutu iurie rbied rebbe reber rebet rebid rebit rebud rebut redbd redde reddi reder redid redie redif redit rediu redub redur reede reefe reeft reere reeti refdb refed refer refet reffe refit refut reide reiff reird rerde rere- reree reret rerir reted retee reter retie rette reuer reuet reuir reute reuti ri-fi ribbi riber ribet ribie rided rider riede riefe rieti rifer riife ririe riuer rubbi rubee ruber rubid rubie ruder rudie ruede ruere ruete ruffe rufi- rufie ruiru rurde ruter rutte ruutu tbeti tbird tbtbt tbutt teber tebet tebi- tedef teder tedie tediu teerd tefe teffi teide teiid teret tereu terif terre terri tert- teter tetr- tetri tette ti-ti tibbi tibbu tiber tibet tibur tidde tided tider tiede tieit tiere tieri tieut tiffe tired tiree tirer tiret tirit tirru tirur titer titii titre titte titti treed treer treet trefe treff treib treid treie treif treit trere treri trete trett treut tri-d tribe tribu tride trieb tried triei trier triet trieu trife trit- trite tritt trubu trude trudi trued truer truff truit trute ttttt tubed tuber tubi- tubri tuder tudre tudur tueie tueit tuffe tuffi tufit tufte tuire tuite turbe turbi turbt turei turet turid turie turit turre turri turtu turut tutee tutie tutte tutti tuubi tuudi tuuei tuuri tuuru u-bit u-dub uber- ubide ubirr udder udert ufere uffie uitti urdee ureid ureit uribe uride urite urter urubu uruit ururi uruti urutu uter- uteri utier utrdb utter uttur utube uturu uuuuu

b-tree bbbbbb bbedit bebite bedded bedder bedebt bedirt bedrib bedrid bedrit beduru beebee beedee beedie beefed beefer beerde beeter befree befret beiber beirut berbee berber berede bereet bereft berere beride berrer berret berrie bertie bertre berube beruri betere betete betide betire betrue betted bettee better bettie betutu beurre bibbed bibber bibede bibiri bibiru bidbid bidded bidder biddie bidree bieber bierde bierut biffed birded birder birdie biribi birred birute biteit bitier bitted bitter bittie bittur biuret bredde breded breder bredie breede breefe breere breird breite brette breuer bribe- bribed bribee briber bribir bribri brideb brided bridei