b-e-d bbbee bd-re be-er bebed bebel beber bedde bedee bedel beder bedle bedub bedue beebe beede beeld beele beerd beffe befur belde beled belee belef bellb belle belue belur berbe berde berdu bered berel berle berre berru beuer beule beure bledd blede bleed bleer blere bleue blude blued bluer bluff blufr blurb blure blurr brebu bredd brede breed breef breel breer brell brerd brere breu- brrrr brud- brude brued bruer bruff brule brull bubbe buber buble budde buddu budel budur buell buffe bufle bulb- bulde bull- bulle bulul burde burel burle burru burud ddddd debed debel deber deble dedde dedee deder dedlu dedur deede deefe deeff deele deere defed defer deffe deled delee deleu delle derbe derde dered derre derub derue deuel deule deure drdre dredd drede dreed dreel dreff drelb drell drere dreul drude dub-l dubee duble dubul duded duder dudle duele duell duere duerr dufur duler dulle dullu durbe dured duree durer durre e-dee ebbed ebber ebble ebell eberl eblul ebull ebure edder eddre edell edere edler edred edule eeeee eefde eelde eeled eeler eerde efere effed effer efuru elded eldee elder elele elfed ellel eller ellul elude elulu eluru erbbe erber erdre erede erere erfde erred euell euler eurel eurre febel feble febre fedde fedee feder feeld feele feere felde felle ferde fered ferel ferle ferr- ferre feued feuer feule flede fleed fleer flerd flere fleur fludd flued fluff flurb flure flurr frede freed freel freer frere freud freur frude fu-fu fudde fuddu fulbe fulde fulle fullf furde furel furud lebed lebel leber ledee leder ledru ledur leede leell leere lefeu leffe leful leleu lelle lered lerer leude lubbe lubed luber luble lubur ludde luddu luder lufre lulle lulul lurde lured lurer lurue rdllr rebbe rebel reber rebud redbd redde redel reder redub redur reede reefe reere refdb refed refel refer reffe reled relee relue rerde rere- reree reuel reuer reule rubee rubel ruber ruble rudel ruder rudle ruede ruele ruell ruere ruffe ruled ruler rurde ruule u-dub ubble uber- uddel udder udell udler uelfe ufere ullur ululu uluru urdee urelu urled urubu uuuuu