refar refel refen refer reffe refil refne reiff reile reill reina reine reinu relau relee relie relif rella relli relue renal renan renau renea renee rener renfe reni- renia renie renin renir renna renne renri reran rere- reree rerir rerun reuar reuel reuen reuer reuil reuin reuir reule reuli reune rfala ri-fi riaan riaba riala riana riban ribar ribbi ribel riber ribie ribin riefe riein rieni rieul rifer riffa rifle riife rilan riler rilla rille rinan rinel riner rinna rinne riria ririe riual riuel riuen riuer rlife ruala ruana ruane rubab rubai ruban rubba rubbi rubee rubel ruben ruber rubia rubie rubin ruble rubra ruele ruell ruere rueun ruffe rufi- rufie ruila ruili ruina ruine ruiru rulan ruler rulli runan runer runin runne rural ruran ruule u-n-i u-nii ubai ubari ubble ubeen uber- ubirr uelen uelfe uelia ufana ufere uffie uibai uifli uinal uinen ulaan ulala ulali ulalu ulbra ulene ulila uline ullal ullar ullfa ullin ullur ulnae ulnar uluia ulula ululu uluru unafr unara unari unaru unban unbar unfun unfur unial unibe unifi unini uninn unnau unnun unnur unrar unref unrra unrun unurn uraan uraba uraei urail urali uran- urana urani urare urari urban urbar urbia urea- ureae ureal urelu urena urera urial urian uribe uriel urien urin- urine urlar urnal urrea urria uruan urubu uruli ururi uuuuu