orro orub orum ouer oufe ouff ouge oume our- oure ouro ouu- rbbb rbbr rebb rebe rebo rebu reeb reef reem refe reff refg refr refu rege regm rego regr regu reme remo reof reog reou rere rerg rero reru reue reuf reuu rfef rfem rgbe rmrg rob- robb robe robo robu roeg roer rofe roff rofo roge rogg rogo romb rome romm romo roob roof roog room roor rore roro roru roub roue rouf roum rrrr rrum rubb rube rubu ruer rufe ruff rufo ruge rugg rumb rume rumm rumo rure ruro ruru ubbe ubbo uber ufer uffe ugeo uggo ugro ugur uguu umb- umbe umbo umer umff umfg umgo ummg ummo umoe umor uofg uofm uofo uomo uor- uore urbe ure- urfe urff urge urgu uro- urom uroo urre urum urur uuuu

-form bbbee be-er be-ro beber bebog beebe beffe befoe befog befor befur begee begem begge begob begof begor begue begum begur bembe bembo bemer beofe beoff beour berbe bereg berge berme bermo berob beroe berom beror berre berru berum beuer beure bfrog bo-bo bobr bobre boege boeme boero boeuf boeur boffo boger bogge bogoe bogof bogor bogu bogue bogur bombe bombo bomer bomme booer boomb boomf boore booru borbo boree borer borge borgo borgu bormo boro- borom boroo borou borre borro borum bouee bouer bouge boure bourg brebu breef breem breer breg- brege bregg breme bremm bremo breo- brere breu- brmmm brobo broer brom- brome bromo broom broue brrrr bruer bruff bruge brugg brume brumm bubbe buber buffe buffo buger bugge bugoo bugre bumbo bumbu bumme burge burgo burgu buroo burro burru ebber eberg eboue ebure eeeee efere effer efore efrem efuru egger egrem embee ember embog embro embue emeer emere emerg emmer emore emure eofor eomer eorre erbbe erber erege erem- eremo erere ergo- eroge erome eroom eroor erore error erugo eubro eum-u euro- eurre fbomb febre feeme feeor feere fefor fegue femme femoe femur feoff feorm ferme fermo ferr- ferre ferro feuer feuge fofum fogbo foggo fogou fogue fomor foome foore fore- foreo forge forgo form- forme forro forum forur fouee fouge fougo fourb foure fourg fourm fouro freer frege freme fremm frere freur frobe frome fromm froom frore frugo frume fu-fu fuego fuero fugee fuger fugro fugue fugug fumee fumer furbo furme furo- furor gberg gberu geber gebre gebur geebo geere gegge gemer gemme gemof gemre geoff georg gerbe gerbo germe gerre geruf gerum go-go go-oo gobbe gobbo gobeo gofer goffe gofor gogro gogue gombe gombo gomer gomme gomor gomur goobo gooff googe goore gorbe goree gorer gorge gorgo gorme gorre goufe gouge goume goure grebe grebo greef greer grefe greff grege gregg grego greme grgur grofe groff groge grogg grome gromo groof groom groue grouf grrrr grubb grube grufe gruff grume grumo grure gubbe gubbo guber gubru gueme guere guero gumbe gumbo gumer gummb gumme gummo guoge gurge guroo gurre gurro gurum gurur mbebe mbege mbere mbogo mboro mbube mburu mebbe meebo meefe meego meemu meere mefor meger megre membe memer memor mereg merer merge mergo mero- meroe merom meroo meror merre merur meuer meure meuro mmfbm mmmmm mobee mobme mobor mobro moeer moeme moere moero moffe moffo mombo mombu momme momoe mooer moogo moore mooro morbo moree morem morer morfu morge mormo moror morou morre morro morue morum moure mreru mrmom mroof mrorr muffe muger mugur mumbe mumbo mumme mummu mureu murgo murom muror murre murro murru murum o-fer o-r-b obegu oberg oboro oboue obreb obrom oerme oerum offer offof offre ofgem ofour ofrum ogogo ogugu ombe- omber ombre omemo omero omore omoro oo-er oofem ooooo orbom oreo- orere orero orfeo orfeu orfoe orfor orgue ormer ormur orobe orobo oroer orome oromo orrgo orrum orube oruro oueme oumer ouoro oure- rebbe rebeg reber reefe reege reeme reemo reere refer reffe reffo refme regem reger regge reggo regme regur remee remer remor remou remue remuf reome reorg rere- reree rerob rerum reuer reume ro-ro robbe robbo rober robo- robor robur roero roffe rofor roger rogge rogue rombe romeo romer romfo romme rooer roofe rooge roome roomu roore rooue rorbu rorem rorer rouer roufe rouge roume roumm roure rubee ruber rubof rubor ruegg ruere ruffe ruffo rufo- ruger rugge rumbe rumbo rumer rummo rummu rumor ruomu uber- ubobo ubume ufere ufofu uforb ugoff ugro- ugrug umbe- umber umbre umbro umeer umeme umore umour uouee ureme ureo- urger uroob urour urubu uuuuu

b-room bbbbbb beebee beebem beebug beefer beegee beegum beembe beemer beerme before beforu befour befree befume begfor begger begoff begogo begore begoro berbee berbeo berber berege berere bergem berger bermeo berour berrer berube beugro beumer beurre bobber boberg boeber boegoe boerge boerre bogger bogoff bogore bogoro bomber bombom bombur bommer bomure boober booboo booger boogum boom-o boomer booue borbor borfee borger borgue borogo boromo borore bororo boubou boueer boufee bouffe bougee bougou bougre bougue bouree bourem bourou bourre breefe breege breere breffo bregbo breger bregge brembo bremer breuer brogue bromme bromo- broome broume brubru brugge bruree bubber bububu buffer buffum bugbug bugger bugoff bumbee bumboo bumfeg bummer burbur bureom burfee burgee burgeo burger burgoo burgor burgum burree burrer e-four eburru eburum eebree effere effoff effore efform effume egbere egmore egoboo egorme embree embrue emeere emerge emergo emmure emubob emuegg emurge erbree eremo- ergeme errour eururo f-bomb feeror femmer feofor ferber ferfer fergee fermor ferrer ferro- ferrum ferrur foboff foerre fogger fogrum foofoo foofur foorum forego forger former formo- forrer forure foufou fougou fougue fourbe fourer fourgo fourme fourof fourou frbroo freebo freeof frefre freure froger froggo fromme froofe froome fufore fugger fumero furber furfur furore furour furrer furrfu gbegbe gbeogo geegee gegger gemmer geommu georef georem george gerber gerege gerger germer germoe geroff gerome geroom geruge geufer gforge go-off gobbur gobero goboom goeuro goffer gofree gofrom gogoro goober goofer googoo goomer goorge gooroo gorger gorgor gouber gougee gouger gougre gourge gourou greebo greefe greffe greger gregge gregor gregre grobbe groffe grogge grogue gromme groome grouff groume grouue grubbe gruber gruffe grugru grumme gubber gubeer gubgub gueber guebre guegue guerou guerre guffer gummer