ngugu ngulu nguni ngure nguri nguru nhgri nhill nhler nibbi nibei niehl niene niere nieul nieun nigeh nigel niger nigle nigre niguh nigun nihil niibi nileh nilin nineb ninee niner ningi ningu ninib ninur nirel nluug nnebe nu-nu nubel nuble nueil nuell nughu nugi- nuhuh nulle nulli nunge nungi nunni nunun nure- nureh nurin nurlu nurri nurun rebbe rebeg rebel reber rebun reege reene reere reerh regel regen reger regge regie regii regil regin regle regne regni regul regur reher rehli rehri rehue reigh reigi reign reile reill reine reinu relee relie relig relli relue renee reneg rener renge rengg reni- renie renig renin renir renne renri rere- reree rerig rerir rerun reuel reuen reuer reuil reuin reuir reule reuli reune rheen rhein rhene rhin- rhine ribbi ribel riber ribie ribin riehl riein rieni rieul rig-i rigel righe righi rigil rigne rigun riler rille rineh rinel riner ringe ringu rinne ririe riuel riuen riuer rubbi rubee rubel ruben ruber rubie rubin ruble ruegg ruehl ruele ruell ruere rueun rugen ruger rugge rughe rughh rugii rugin rugir ruhen ruhle ruhnu ruhub ruili ruine ruing ruiru ruler rulli runer runge rungu runin runne ruule u-n-i u-nii ubble ubeen uber- ubirr uelen ugene uggie uggle ughin ughli ugine ugrin ugrug uh-ee uh-uh uhhuh uhler uhlig uhnin uhuru uigur uinen ulene ulger uline ulirg ullin ullur ululu uluru unger ungig ungle ungli ungul ungur unhel unhue unhug unibe unige unini uninn unleg unnun unnur unrig unrug unruh unrun unurn urelu urgel urger urgun uribe uriel urien urin- urine uring urubu uruli ururi uuuuu