ndulu nduru nnooo no-do no-no noard nobar noboa nobob nobol nobuo nodab nodal nodar nolan noldo non-u nona- nonad nonan nonar nonda nondo nonna nonno noonu noora noord norad norba norbu nordo norna noron norra norro norun noual nould nouna noura nu-nu nuabu nuada nuala nubao nubar nubra nudol nudur nulla nullo nunan nunda nunna nunon nunun nuodb nuoro nural nurar nurla nurlu nuroa nurra nurun o-bon o-lan o-r-b oando oandu oaror obaba obala obara oblon obodo obolo obora oboro obrab obrad obudu odaba odala odara oddba oddur odlan odola odolo odoul odour odran odudu oduro olala olana oland olanu olaru ollon ollur olona olord olour onado onall onand onano onaol onaon onara onard ondol ondra onoba onoda onond onoon onora onorn onour onran ooola ooooo oraal oraba oralb orana orand oraon orara orbad orbal orban ordal ordon ordro orlan orlon ornan ornon ornua orobo orodo orold orolu orona orono oroua oruro ouada ouara oudan oudon oulad oullo oulon oulun ouona ouoro oural ouran ourba ourno ourol ra-ra raaba raaor raard rabab rabad rabal raban rabba rabda rabon rabor rabou rabud rabul rabun radal radan radar radau radla radlo radon radul radun ralla rallo ralon ran-d ranal ranau randa randb randd rando randr randu ranlo ranna ranno rannu ranon ranua raoul raron rauda rauna rauno rauon rdllr ro-ro roadb roald roall roana roann robab robar robbo robo- robon robor robun robur rodan rodau rodbo rodda rodl rodna rodon rodor rolao rolla rollo rolon rolua ronal ronan ronda rondo ronno rooba roodu roond roral rorbu rorra rouba roull round roura rrand ruala ruana ruano rubab ruban rubba rubon rubor rubra rudan rudar rudna rudno rudra rulan rullo rulon runan runda rundu runo- runon rural ruran u-dub uanda uandd uarda uaroo ubald ubobo udaan udala udall udana udand udara udol udoll udora ulaan ulala ulalu ulano ulbra ullal ullar ulloa ullur ulnad ulnar ulno- ulula ululu uluru unadd unadu unara unaru unbad unban unbar unbud undal undla undub undun undur unnao unnau unnun unnur unold unona unoor unorn unrar unrol unrra unrun unurn uolba uraan uraba uralo uran- urana urano urban urbar urlar urnal urola uroob urour urrao uruan urubu uuand uuard uurad uuuuu