b-e-d bbbee bd-re be-er bebed beber bedde bedee beder bedub bedue bedug beebe beede beerd beffe befur begee begge begue begur berbe berde berdu bered bereg berge berre berru beuer beure brebu bredd brede breed breef breer breg- brege bregg brerd brere breu- brrrr brud- brude brued bruer bruff bruge brugg bubbe buber budde buddu budge budur buffe buger bugge bugre burde burge burgu burru burud ddddd debed deber debug dedde dedee deder dedur deede deefe deeff deere defed defer deffe degre derbe derde dered dereg derge derre derub derue deure drdre dredd drede dredg dreed dreff drere drude drugu dubee duded duder duere duerr dufur durbe dured duree durer durre e-dee ebbed ebber eberg ebure edder eddre edere edged edger edred eeeee eefde eerde efere effed effer efuru egbdf egede egged egger erbbe erber erdre erede erege erere erfde erred eurre febre fedde fedee feder feere fegue ferde fered ferr- ferre feued feuer feuge frede freed freer frege frere freud freur frude fu-fu fudde fuddu fudge fugee fuger fugue fugug furde furud gbedu gberg gberu geber gebre gebur gedeb geder gedge gedre gedur geere gegge gerbe gerd- gerde gerdu gerre geruf grebe grede greed greef greer grefe greff grege gregg grgur grrrr grubb grube grude grued grufe gruff grure gubbe guber gubru guddu gudeg guder gudge gudur guede guere guged gurge gurre gurur rebbe rebeg reber rebud redbd redde reder redub redug redur reede reefe reege reere refdb refed refer reffe reger regge regur rerde rere- reree reuer rubee ruber ruder rudge ruede ruegg ruere ruffe ruger rugge rurde u-dub uber- udder udege udged ufere ugrug urdee urged urger urubu uuuuu