b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue bedug beebe beede beerd begee begge begue begur berbe berde berdu bered bereg berge berre berru beuer beure bre-x brebu bredd brede breed breer breg- brege bregg brerd brere breu- breux brrrr brud- brude brued bruer bruge brugg bubbe buber budde buddu budge budur buger bugge bugre burde burge burgu burru burud ddddd debed deber debug dedde dedee deder dedur deede deere degre derbe derde dered dereg derge derre derub derue deure drdre dredd drede dredg dreed drere dreux drude drugu dubee duded duder duere duerr durbe dured duree durer durex durre dxdxd e-dee ebbed ebber eberg ebure edder eddre edere edged edger edred eeeee eerde egede egged egger erbbe erber erdre erede erege erere erred eurex eurre exede exred exude exurb gbedu gberg gberu geber gebre gebur gedeb geder gedge gedre gedur geere gegge gerbe gerd- gerde gerdu gerre grebe grede greed greer grege gregg greux grgur grrrr grubb grube grude grued grure gubbe guber gubru guddu gudeg guder gudge gudur guede guere gueux guged gugux gurge gurre gurur rebbe rebeg reber rebud redbd redde reder redex redub redug redur redux reede reege reere reger regex regge regur rerde rere- reree reuer rexer rubee ruber ruder rudge ruede ruegg ruere ruger rugge rurde u-dub uber- uberx udder udege udged ugrug urbex urdee urged urger urubu uuuuu xbxrx xedre xexeu xexex xxgdb