eeeee eeler eerie efere eferi effer effie efile efrei efuru eifel eiler eirie elele eleri eliel elife ellel eller ellie ellul elulu eluru erere erier eriff euell euler eurel eurre feele feere feier feile feliu felle felli ferel ferie ferle ferr- ferre ferri feuer feule ffeil fieee fieri fifer fifie filer fili- fille filur firee firei firer firie firle firre fleer fleil fleir flere fleur flier flire flirr fluff flure flurr freei freel freer freir frere freur friel frier frile frill fruli fu-fu fulle fullf furel furie furil furir ieiri ierei if-- ifeel ifell ifere ifill iflee iiiee iiiii ileri ilife iliff iller illui ilulu irele iriel irill irrel irule iuliu iurie leeli leell leere lefeu leffe leful leile leill leire lelei leleu lelle lelli lerer lerie li-fi lieli liere lifei lifer liffe lifie lilfu lilie liliu lille lilli liril lirui liule liuli liure lufre luife luiff luire lulle lulli lulul lurer lurie lurue luuri reefe reere refel refer reffe refil reiff reile reill relee relie relif relli relue rere- reree rerir reuel reuer reuil reuir reule reuli ri-fi riefe rieul rifer rifle riife riler rille ririe riuel riuer rlife ruele ruell ruere ruffe rufi- rufie ruili ruiru ruler rulli ruule uelfe ufere uffie uifli ullur ululu uluru urelu uriel uruli ururi uuuuu