ngugu nguna ngura nguru nhang nnama nrcam nu-nu nuabu nubar nubra nucca nucha nucmc nugam nughu nuhuh numan numba nunan nunca nunch nunga nunna nunun nurar nurga nurra nurun ra-ra raaba raagu rabab rabac rabah raban rabba rabha rabun racah racan racch racha ragah ragam ragan ragga raghu rahab raham rahan rahma rahna ramac ramah raman ramar ramba ramma rammu ramna ranac ranam ranau ranca ranch ranga rangh rangu ranma ranna rannc rannu ranua ranum rarbg rauch raugu rauma rauna raung rccar rcmac rhamn rhamu rharb rhbnc rhuma rhumb rmnmn rnrmc rraga rragb rragc ruach ruaha ruana ruang rubab ruban rubba rubra rugha rughh rugma ruhab ruhnu ruhub rumah ruman rumba rummu runan runch runcu runga rungu runmc ruran u-man uacrr ubach ubahn ucgun uchan uchar uchuu ugrug uh-uh uhhuh uhura uhuru umaga umana umaru umbar umbra umhum ummah umman umrah umran unama unara unarm unaru unbag unban unbar ungag ungar ungma ungra ungum ungur unhug unman unnam unnau unnun unnur unrar unrra unrug unruh unrun unurn uraan uraba urach uraga uran- urana urban urbar urgun urhan urman urram uruan urubu urucu uruma uumaa uuuuu