-tree e-fit eeeee eeler eerie eetti ef-tu efere eferi efetf effer effet effie efile efrei eftel efter efuru efutu eifel eiler eilet eirie eitel eiter eitri eleet elele eleri eleut eliel elife elite ellel eller ellet ellie ellul elulu eluru elute erere erier eriff erite eritu errtu erte ertel erter ertil etete etile etite etree ettel etter ettie ettle eturu euell euler eurel eurre feele feere feier feile felet feliu felle felli felte feltt ferel feret ferie ferit ferle ferr- ferre ferri ferte fetel feter feti- fetii fetir fette feuer feule feute ffeil fieee fieri fifer fifie filer filet fili- fille filtu filur firee firei firer firie firit firle firre fitel fitil fitit fitri fitte fleer fleet fleil fleir flere flert flete flett fleur flier flire flirr flirt flite fluff fluit flure flurr flurt flute freei freel freer freet freir freit frere frett freur friel frier frile frill frite fritt fruit fruli frute ftlee ftrtt fu-fu fuite fulle fullf furel furie furil furir futur ieiri ierei iette if-- ifeel ifell ifelt ifere iffet ifill iflee ifrit ifttt iiiee iiiii iitti ileft ileri ilife iliff ilift iller illit illui ilter iltur ilulu irele irete iriel irill irite irrel irrit irule itele itell itete itfet itfit itire ittel itter ittre ittti itu-r itu-t ituri ituru itutu iuliu iurie leeli leell leere leert lefeu leffe leful leile leill leire leite lelei leleu lelle lelli lerer lerie letil letit letre lette letur li-fi lieli liere lieut lifei lifer liffe lifie lilet lilfu lilie liliu lille lilli liril lirui litel liter litir litre litte litti litui liule liuli liure ltifr lufre lufte luife luiff luire luite lulle lulli lulte lulul lurer lurie lurue lute- luter lutfi lutte lutui luuri reefe reeft reere reeti refel refer refet reffe refil refit refut reiff reile reill relee relet relie relif relit relli relte relue rere- reree reret rerir retee retel reter retie retil rette reuel reuer reuet reuil reuir reule reuli reute reuti ri-fi riefe rieti rieul rifer rifle riife riler rille ririe riuel riuer rlife ruele ruell ruere ruete ruffe rufi- rufie ruili ruiru ruler rulli ruter rutle rutli rutte rutul ruule ruutu teele teell tefe teffi tefli teill tele- telei teler teleu telit teliu tell- telle telli telti teret tereu terif terli terre terri tert- tetel teter tetle tetr- tetri tette ti-ti tieit tiele tieli tielt tiere tieri tieut tiffe tifle tiler tilfi tilie tille tilli tilte tiree tirer tiret tirit tirle tirli tirru tirtl tirur titel titer titii titil title titli titre titte titti tlell tlett treer treet trefe treff treie treif treil treit trele trere treri trete trett treut triei trier triet trieu trife trill trit- trite tritt truel truer truff truit trule trull trute ttttt tueie tueil tueit tuelf tuell tuelt tuffe tuffi tufit tufte tuile tuili tuire tuite tulet tulie tulir tulle tului turei turel turet turie turit turle turre turri turtu turul turut tutee tutel tutie tutle tutli tutte tutti tuuei tuuli tuuri tuuru uelfe ufere uffie uifli uitti ullet ullur ultre ululu uluru uluti ureit urelu uriel urite urtel urter urtlu uruit uruli ururi uruti urutu uter- uteri utiel utier utile utili utter uttur uturu uuuuu