ntnu ntru nttr ntui nube nubi nudd nude nudi nuee nuer nuff nuin nuit nune nung nunn nunt nurd nure nuri nurn nurr nurt nuru nute nutt nutu rbbb rbbr rder rebb rebe rebu redd rede redi redr redu reeb reed reef reen reet refd refe reff refg refi refn refr reft refu regd rege regi regn regr regt regu reid reif reii rein reir reit reiu rend rene reng reni renn rent renu rerd rere rerg reri rert reru retd rete reti retr rett reue reuf reut reuu rfdi rfef rfid rgbe rgbi rgit rgtr rib- ribe ribu ridd ride ridi ried rief rien rier riet rieu rife riff rift rifu rige rigg rigi rigu riif riin rind rine rinf ring rinn rire riri rite riti ritt ritu riue rnbr rndf rnie rnin rnnt rntd rnut rred rrif rrrr rrun rtbf rtdt rtee rtei rtfb rtnd rubb rube rubi rubu rudd rude rudi rued ruen ruer ruet rufe ruff ruft ruge rugg rugi ruid ruif ruin ruit rund rune runf rung runi runn runt rurd rure ruri ruru rute ruti rutt rutu ruud ruun tbit tbnf tbrb tddb tdff tdri tebu tedd tede tedi teed teef teen teer teet teff tefi teft tegg tegi tegt tegu teie tein teir teiu tenb tend tene teng teni tenn tent tenu ter- tere terf teri tern terr teru tete teti tetr tett tetu teut tfeb tfin tgif tibi tibu tidd tide tie- tied tiee tief tiei tien tier tiet tiff tift tige tigi tigr tiit tiiu tind tine ting tini tinn tint tinu tirb tird tire tiri tirr tiru tite titi titt titu tndd tndf tneb tnef tnge tnut tre- tred tree tref treg trei tren tret treu trfd trfr trge tri- trib trie trif trig trin trit trng trte trtr trub trud true trug trun trut truu ttbb tten tter ttff ttfn tttt tubb tube tubr tubu tude tudi tudu tuei tuen tuer tuet tufe tuff tufi tuft tufu tugg tugu tuig tuin tuit tuiu tunb tund tune tung tuni tunn tunu turb turd ture turf turg turi turn turr turt turu tute tuti tutt tutu u-ie ubbe ubbi uber ubet ubid ubii ubir ubit ubtf ubud uddi uden uder udet udgb udge udid udig udin udir udun uein ueir uend ufer uffe uggt ugne ugni ugri ugur uguu uige uint uirr unbd unbe unde undi uneb uned unee unef unen uner unfd ungu uni- unie unif unii unin unir unit unne unni unrf untb unte unut urbe urbi urde urdu ure- ured uret urfe urff urfi urft urge urgi urgu urib urie urif urin uriu urne urni urre urri urte urun urur urut uter utid utin utne utri utti uttu utug uuen uuni uuri uutf uuuu

-tree b-e-d bbbee bbgun bd-re be-er be-in bebed beber bebti bedde bedee beden beder bedet bedid bedin bedri bedub bedue bedug beebe beede beedi beeft beene beerd beeri beete beeut beffe befie befit befur begee beget begge begin begti begue begun begur begut beibi beide beidi beidu beien beier beife beige beine being beird beire beite bende bendi bene- benet benfe benge bengi bengu benin benit benne benni bennu benue benun benur benut berbe berde berdu bered bereg berei beren beret berge bergi berid berie berig berin berit beriu bernd berne bernt berre berri berru berte berti berun betee beten beter betid betie betne betre bett- bette betti beuer beure beute bibbe biber bibie bibin bibri bidde biddu bided biden bider bidet bidin bidni bidri bidur biebe biefe biend bierd biere bieri biern biert bieti bifer biffi bifid big-i bigge bigif bigig bigin biide binde bindi bindu bined biner binet binge binit binne binte binub birde birdu biren birgi birgu birie birin birne birni birun birur bited biten biter bitit bitru bitte bitti bitun biune biure bnetd brebu bredd brede bredi bredt breed breef breen breer breet breg- brege bregg breid brein breit brend brene breng brenn brent brerd brere brett breu- bribe bride bridg bridi brief brieg brien brier brifu brige brigg brigi brind brine bring brini brinn brint brite britt brrrr brud- brude brued bruen bruer bruet bruff bruge brugg bruin bruit bruiu brune brung bruni brunn brunt bruri brute bruun btr-d btr-t bubbe buben buber budde buddu budge budur bufet buffe buffi bugen buger bugge bugit bugre bugti bugun buine buird buire buirn bunde bundi bundt bundu bunei bunge bungi bungu bunin bunne bunte bunud bunun bunut burde burdi buren buret burfi burge burgi burgu burie burin burn- burne burnt burri burru burte burtt burud burun burut buten buter butid butin butit butte butut d-tng ddddd debbi debed deben deber debet debie debin debir debit debne debte debtf debug debut dedde dedee deden deder dedie dedin dedir dedit dedun dedur dedut deede deedi deefe deeff deein deene deeni deere defed defer defet deffe defib defie defne defun degei degen degre degut deidt deiff deign dein- deine deing deite dende dendi deneb denee denef dener denet denge denib denne dent- dente denti derbe derbi derde dered dereg deren derge derib derne derre derub derue deter detie detin detre dette detur deuin deuit deure deuri deut- dibeg dibri diddu didee didge didie didin didit didnt diebe diege diene dieng dieri diete diger digi- digid digin digit digne digre digrf digri digru digte digue dindi dined dinei diner dinge dingi dinur dired direr dirfi dirge dirie dirnt diter ditib dittd ditti diurn dnert dnine drdre dredd drede dredg dreed dreen dreff dreft dreid dreie drein dreng drent drere dride dridu dried drier drife driff drift drige drigg dring drinn drite drude drugu druid druie druig drung druri dturn dubbi dubee duben dubi dubie dubin dubne dubti duded duden duder dudin duein duere duerr duete duett dufur duggi dugin dugit dugri dundi duned dunet dungu dunin dunit dunne dunun durbe dured duree duren durer duret durgi durie durif durin durre durte durtu dutie dutte e-dee e-fit e-gif e-ten ebbed ebber ebbet ebbie ebeid ebene eberg ebern ebert ebibe ebing ebird ebner ebure edder eddie eddir