bbbee be-er bebel beber beebe beele beeli beeri beffe befie beibi beier beife beire belee belef belie belif bellb belle belli berbe berei berel berie beril berle berli berre berri bibbe bibel biber bibie bible bibri biebe biefe biele biere bieri bifer biffi bilbe bilbi bilel bili- bilif bille billi birel birie birle bleer bleib blere blier blife breef breel breer breil brell brere bribe brief briel brier brill brrrr ebber ebbie ebble ebell eberl ebibe ebill eeeee eeler eerie efere eferi effer effie efile efrei eifel eiler eirie elbie elele eleri eliel elife ellel eller ellie erbbe erber erbil erere erier eriff febel feble febre feele feere feier feile felle felli ferel ferie ferle ferr- ferre ferri ffeil fiber fibr- fibre fieee fieri fifer fifie filer fili- fille firee firei firer firie firle firre fleer fleil fleir flere flibe flier flire flirr freei freel freer freir frere friel frier frile frill ibele ibill ieiri ierei if-- ifeel ifell ifere ifill iflee iiiee iiiii ileri ilife iliff illbe iller irele iriel irill irrel lebel leber leeli leell leere leffe leibi leile leill leire lelei lelle lelli lerer lerie li-fi libbe libel liber libre libri liebe lieli liere lifei lifer liffe lifie lilie lille lilli liril rebbe rebel reber reefe reere refel refer reffe refil reiff reile reill relee relie relif relli rere- reree rerir ri-fi ribbi ribel riber ribie riefe rifer rifle riife riler rille ririe rlife