-tree bbbee be-er bebel beber bebti beebe beeft beele beeli beeri beete beffe befie befit beibi beier beife beire beite belee belef belet belie belif belit bellb belle belli berbe berei berel beret berie beril berit berle berli berre berri berte berti betee betel beter betie betle betre bett- bette betti bibbe bibel biber bibie bible bibri biebe biefe biele biere bieri biert bieti bifer biffi bilbe bilbi bilel bili- bilif bille billi birel birie birle bitel biter bitit bitle bitte bitti bleer bleet bleft bleib bleit blere blete blier blife blirt blite blitt breef breel breer breet breil breit brell brere brett bribe brief briel brier brill brite britt brrrr btile btr-t e-fit ebber ebbet ebbie ebble ebell eberl ebert ebibe ebill eeeee eeler eerie eetti efere eferi efetf effer effet effie efile efrei eftel efter eifel eiler eilet eirie eitel eiter eitri elbie eleet elele eleri eliel elife elite ellel eller ellet ellie erbbe erber erbil erere erier eriff erite erte ertel erter ertil etete etile etite etree ettel etter ettie ettle febel feble febre feele feere feier feile felet felle felli felte feltt ferel feret ferie ferit ferle ferr- ferre ferri ferte fetel feter feti- fetii fetir fette ffeil fiber fibr- fibre fieee fieri fifer fifie filer filet fili- fille firee firei firer firie firit firle firre fitel fitil fitit fitri fitte fleer fleet fleil fleir flere flert flete flett flibe flier flire flirr flirt flite freei freel freer freet freir freit frere frett friel frier frile frill frite fritt ft-lb ftlee ftrtt i-bet ibele ibert ibeti ibill iebet ieiri ierei iette if-- ifeel ifell ifelt ifere iffet ifill iflee ifrit ifttt iiiee iiiii iitti ileft ileri ilife iliff ilift illbe iller illit ilter irbit irele irete iriel irill irite irrel irrit itbit itele itell itete itfet itfit itire ittel itter ittre ittti lebel leber lebet leeli leell leere leert leffe leftb leibi leile leill leire leite lelei lelle lelli lerer lerie letbe letil letit letre lette li-fi libbe libel liber libre libri liebe lieli liere lifei lifer liffe lifie lilet lilie lille lilli liril litel liter litir litre littb litte litti ltifr rebbe rebel reber rebet rebit reefe reeft reere reeti refel refer refet reffe refil refit reiff reile reill relee relet relie relif relit relli relte rere- reree reret rerir retee retel reter retie retil rette ri-fi ribbi ribel riber ribet ribie riefe rieti rifer rifle riife riler rille ririe rlife tbeti tbill tbtbt teber tebet tebi- teele teell tefe teffi tefli teill tele- telei teler telit tell- telle telli telti teret terif terli terre terri tert- tetel teter tetle tetr- tetri tette ti-ti tibbi tiber tibet tieit tiele tieli tielt tiere tieri tiffe tifle tiler tilfi tilie tille tilli tilte tiree tirer tiret tirit tirle tirli tirtl titel titer titii titil title titli titre titte titti tlell tlett tllbr treer treet trefe treff treib treie treif treil treit trele trere treri trete trett tribe trieb triei trier triet trife trill trit- trite tritt ttttt