nokko nokon nokul nolan non-u nona- nonan nonar nonka nonna nonno noonu noora norba norbu norka norna norok noron norra norro norun noual nouna noura nrank nu-nu nuabu nuala nubao nubar nubra nukla nuklo nulka nulla nullo nunan nunka nunna nunon nunun nuoro nurak nural nurar nurla nurlu nuroa nurra nuruk nurun o-bon o-lan o-r-b oaror obaba obaku obala obara oblak oblon obolo obora oboro obrab obrok okaka okano okara okkan okkur okobo okola okoro okubo okuka okuku okura okuru olala olana olanu olaru ollon ollur olona olour onaka onall onano onaol onaon onara onoba onoon onora onorn onour onran onuka ooola ooooo oraal oraba oralb orana oraon orara orbal orban orkan orkla orlan orlok orlon ornan ornon ornua orobo orolu orona orono oroua oruku oruro ouaka ouako ouara oullo oulon oulun ouona ouoro oural ouran ourba ourno ourol ra-ra raaba raaor rabab rabak rabal raban rabba rabon rabor rabou rabul rabun rakaa rakab rakan rakon ralla rallo ralon ranal ranau ranka rankl ranko ranlo ranna ranno rannu ranon ranua raoul raron rauna rauno rauon ro-ro roall roana roann roark robab robak robar robbo robo- robon robor robun robur rokal rokkk rokon rokua rolao rolla rollo rolok rolon rolua ronal ronan ronk- ronko ronno ronok rooba roral rorbu rorra rouba rouko roulk roull roura ruaka ruala ruana ruano ruark rubab ruban rubba rubon rubor rubra rukla rulan rullo rulon runan runo- runon rurak rural ruran rurka uaroo ubank ubobo ukala ukobu ukoln ukula ulaan ulala ulalu ulano ulbra ullak ullal ullar ulloa ullur ulnar ulno- uluka ulula ululu uluru unaka unara unark unaru unban unbar unkar unkur unnao unnau unnun unnur unona unoor unorn unrar unrol unrra unrun unurn uolba uraan uraba uralo uran- urana urano urban urbar urkun urlar urnal urnok urola uroob urour urrao uruan urubu uuork uuuuu