b-e-d bbbee bd-re be-er bebed beber bedde bedee beder beebe beede beerd beffe berbe berde bered berre bredd brede breed breef breer brerd brere brrrr ddddd debed deber dedde dedee deder deede deefe deeff deere defed defer deffe derbe derde dered derre drdre dredd drede dreed dreff drere e-dee ebbed ebber edder eddre edere edred eeeee eefde eerde efere effed effer erbbe erber erdre erede erere erfde erred febre fedde fedee feder feere ferde fered ferr- ferre frede freed freer frere rebbe reber redbd redde reder reede reefe reere refdb refed refer reffe rerde rere- reree