otto ottu otur oude oued ouer ouge our- oure ouro ourt out- outb oute outo ouu- rbbb rbbr rder rebb rebe rebo rebu redd rede redo redr redu reeb reed reet regd rege rego regr regt regu reod reog reot reou rerd rere rerg rero rert reru retd rete reto retr rett reue reut reuu rgbe rgtr rob- robb robe robo robt robu rodd rode rodo roed roeg roer roet roge rogg rogo roob rood roog roor root rore roro rort roru rote rotg roto rotr rott roub roud roue rout rred rrrr rtdt rtee rubb rube rubu rudd rude rudo rued ruer ruet ruge rugg rurd rure ruro ruru rute ruto rutt rutu ruud tbrb tddb tdor tebo tebu tedd tede teed teer teet tegg tego tegt tegu teor ter- tere tero terr teru tete teto tetr tett tetu teut tobe tobo tobt tobu todd tode todo todt todu toed toee toer toet toge togo togr togt tood toor toot tord tore torg toro torr tort toru totd tote toto totr tott toug tour tout tre- tred tree treg treo tret treu trge trod troe trog troo trot trou trte trtr trub trud true trug trut truu ttbb tteo tter ttoe tttt tubb tube tubo tubr tubu tude tudu tuer tuet tugg tugu tuor turb turd ture turg turo turr turt turu tute tuto tutt tutu tuuo ubbe ubbo uber ubet ubod ubud uder udet udgb udge udoo udot ugeo uggo uggt ugod ugro ugur uguu uor- uore urbe urde urdu ure- ured uret urge urgu uro- uroo urre urte urur urut uter utor utto uttu utug uuuu

-tree b-e-d bbbee bd-re bdoor bdort be-er be-ro bebdo bebed beber bebod bebog bebot bedde bedee beder bedet bedog bedot bedub bedue bedug beebe beede beerd beete beeut begee beget begge begob begod begor begot begto begue begur begut beode beord beote beour berbe berde berdu bered bereg beret berge berob beroe beror berre berru berte berto betee beter betoo betor betou betre bett- bette betto beuer beure beute bo-bo bobet bobr bobre bodd- boded boder bodge bodoe bodog bodor boedo boege boero boeur boger boget bogge bogoe bogor bogot bogu bogud bogue bogur bogut boode booed booer boord boore boort booru borbo borde bordo bored boree borer boret borge borgo borgu boro- borod boroo borot borou borre borro borut botet botou botro botte bottu boudu boued bouee bouer bouet bouge bourd boure bourg boute bouto brebu bredd brede bredt breed breer breet breg- brege bregg breo- brerd brere breto brett breu- brobo brodd brode brodo broer brood broto broud broue brout brrrr brud- brude brued bruer bruet bruge brugg brute btr-d btr-t bubbe buber budde buddu budge budur buger bugge bugoo bugre buord burde buret burge burgo burgu buroo burro burru burte burtt burud burut butdo buteo buter buto- butor butot butou butte butuo butut d-dot d-rod ddddd ddebo debed deber debet debot debro debte debug debut dedde dedee deder dedur dedut deede deere degre degut deore deoro derbe derde dered dereg derge dero- derob derog derre derro derub derue deter detoo detre dette detuo detur deure deut- deuto do-do dobee dober dobre dobro dodge dodoo dodro doerr dogbo dogge doggo dogue doodo doore doote doout dordt dored doree doret dorge dorog dorot dorre dorte dorud doted doter dotoo dotto doubt doude douer doure douro doute drbob drdre dredd drede dredg dreed drere drgeo drobe drobo drode drog- drogo drood droog drote drott droue droug drout drude drugu dtour dubbo dubee duddo duded duder dudou duere duerr duete dueto duett 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 edged edger edoor edott edred eeeee eerde egede egged egger egret eorre erbbe erber erdor erdre erdut erede erege erere ergo- ergot erode erodr eroge eroor erore eroto erred error errtu erte erter ertug erugo etete etoro etour etree etrog etter etude eturu eubro euro- eurre gbedu gberg gberu geber gebet gebre gebur gedeb gedeo geder gedge gedre gedur geebo geere geert geete gegge geode georg gerbe gerbo gerd- gerde gerdt gerdu gerre gertt getee geter getgo gette getto go-go go-oo go-to gobbe gobbo gobeo gobet gobot godbe goddo godet godor godot godre goget gogro gogue goobo goode goodg goodo gooed googe goord goore goote goout gorbe gorde gordo gored goree gorer gorge gorgo gorod gorre goter gotoo gotor gotto gotur goude gouet gouge gourd goure grebe grebo grede greed greer greet grege gregg grego greot grete grett greut grgur grodd grode grodt groet groge grogg grood groot grote grott groud groue grout grrrr grubb grube grude grued 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-r-b obbet obedt obegu oberg obert obete obodo oboro obote oboue obout obreb obudu odder oddur odebo odeto odeur odore odour odudu odure oduro ogeed ogode ogogo ogugu oo-er ooooo orbed orbot order ordet ordre ordro oredo oreed oreo- orere orero 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 outre outro outto rebbe rebeg reber rebet rebud rebut redbd redde reder redor redot redub redug redur reede reege reere 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 rodeo roder rodge rodor roero roger roget rogge rogue roode roodu rooer rooge roore roote rooue rorbu rorer roteb roted roter rotge roto- rotor rotot rotte rotto roubt roude rouer rouet rouge roure route routt rubee ruber rubor ruder rudge ruede ruegg ruere ruete ruger ruget rugge rurde ruter rutog rutte ruutu t-dog tbtbt tbutt teber tebet teder tedge teege teerd tegre tegur teodo teret tereu terge tergo tergu teror terre