nebka nebra neena neera neere negan negar negba negeb neger negga negra negre negru negun negur neker nekra nenga nerea neree nerka nerra nerre nerur neuen neuer neueu neuka neune neur- neura neure ngaba ngagu ngaka ngana ngara ngaru ngege ngeue ngugu nguka nguna ngura ngure nguru nkana nkara nkubu nnebe nneka nrank nu-nu nuabu nuage nubar nubra nugae nuker nunan nunga nunge nunka nunna nunun nurak nurar nure- nurek nurga nurra nuruk nurun ra-ra raaba raabe raagu rabab rabak raban rabba rabbe rabke rabun ragan ragea ragee rager ragga rakaa rakab rakan rakee rakek raken raker rakke ranae ranau ranee ranen ranga range rangu ranka ranke ranna rannu ranua rarae rarbg rareb raree rarer rauen raugu rauna raung reake reane reang rear- reaue rebab rebag rebak reban rebar rebbe rebeg reber rebra rebun reean reege reena reene reere regab regan regar regau regba regen reger regga regge regna regne regur reken rekka rekke rekne rekun renan renau renea renee reneg rener renga renge rengg renka renke renku renna renne reran rere- reree rerun reuar reuen reuer reune rraga rragb ruaka ruana ruane ruang ruark rubab ruban rubba rubee ruben ruber rubke rubra ruegg ruere rueun rugae rugen ruger rugge ruken rukke runan runer runga runge rungu runne rurak ruran rurka ubank ubeen uber- ueken ugena ugene ugrug ukaea ukeke ukuug unaka unara unark unaru unbag unban unbar ungag ungar unger ungka ungra ungur unkar unken unker unkur unnau unnun unnur unrar unrra unrug unrun unurn uraan uraba uraga uran- urana urare urban urbar urea- ureae urena urera urger urgun urker urkun urrea uruan urubu uuuuu