bbbee be-er be-ro beber beebe beeri beffe befie befoe befor befur beibi beier beife beijo beire bejou beofe beoff beoir beour berbe berei berie berio beriu berob beroe beror berre berri berru beuer beure bibbe bibbo biber bibie bibio bibri biebe biefe biere bieri bifer biffi biffo bifor bijie bijou bijur biore bioue birie birou birur biure bo-bo bobbi bobr bobre bobri boero boeuf boeur boffi boffo boibe boier boire boiro bojer booer booji boore booru borbo boree borer borio borje boro- boroo borou borre borro bouee bouer boure bouri brebu breef breer brejo breo- brere breu- bribe brief brier brifu briou brobo broer broje broue brrrr bruer bruff bruiu brujo bruri bubbe buber buffe buffi buffo buire bujeo bujor bujru burfi burie burio burji buroo burri burro burru ebber ebbie ebibe eboue ebrio ebure eeeee eerie efere eferi effer effie effio efore efrei efuru eieio eirie ejiri ejure eofor eorre erbbe erber erere erier eriff erio- eroor erore error eubie eubro euro- eurre fbjbf febio febre feeor feere fefor feier fejer fejoe feoff ferie ferio ferr- ferre ferri ferro feuer fiber fibr- fibre fibro fieee fieri fiero fifer fifie fiore fiori firee firei firer firie firou firre foir- foire foore fore- foreo forio forro forur fouee fouju fourb foure fouro freei freej freer freir frere freur frier frijj frobe frore fu-fu fuero fujii fujio furbo furie furio furir furo- furor i-beo ibbur ibeji ibeof ibero ibibo ibore ieiri ierei ieroe if-- ifere iffou iiiee iiiii ijeri ioffe ioooi ioooo iorio irobo irori irour iurie jejur jerib jeroo jerre jerri jeure jfire jiber jibou jiuru jobbe jobbi joe-e joei joeuf joffe jofre jofur joree jouef joure jreif ju-ju jubbe jubeb jubei jubii jubur jueju jurij juror juuru o-fer o-r-b obeie obejo oboro oboue obreb oeiro oerje offer offie offir offof offre ofjob ofori ofour ojiji ojiro ojuju oo-er ooioo ooooo oorie orebi oreo- oreoi orere orero orfei orfeo orfeu orfoe orfor oribe oribi orobe orobo oroer orube orujo oruro ouir- ouoro oure- ourie rebbe reber reefe reere refer reffe reffo reiff reiji reijo rejoi rere- reree rerir rerob reuer reuir ri-fi ribbi riber ribie ribo- riefe rieju rifer riife rijfe ririe riuer ro-ro robbe robbi robbo rober robie robo- robor robur roero roffe rofor rooer roofe roore rooue rorbu rorer rouer roufe roure rubbi rubee ruber rubie rubio rubof rubor ruere ruffe ruffo rufi- rufie rufio rufo- ruiru uber- ubirr ubobo ufere uffie ufofu uforb uiro ujiji ujire ujue uouee ureo- uribe uroob urooj urour urubu ururi uuuuu