nbomb ndbld ndour nduli ndulu nduru nflib nibbi niddm nidom nidor nidum nifon niibi niidu niilo niimi nilin nilo- nimbi nimmi nimmo nimno nimri ninib ninon ninur niono niord nioro nirim nirom nnooo no-do no-fi no-no nobid nobil nobin nobob nobol nobuo nodi- nodof nodum nofim nofor nofou nofun noldo nolid nolin nomin nomir nommo nomo- nomom non-u nondo nonin nonio nonni nonno nooil noomi noonu noord noori norbu nordo norid norin norio norm- norml noron norro norum norun nould nouni nouri nroff nu-nu nudi- nudil nudol nudum nudur nulli nullo numbi numbl nummi nunni nunon nunun nuodb nuoro nurin nurlu nurmi nurmo nurri nurun o-bon o-r-b obimo obion oblin oblio oblon obodo oboli obolo oboro obrom obudu oddur odibo odiid odilo odium odlum odolo odoom odori odoul odour odrin odudu odulf oduom oduro offin offir offof offon offun ofnod ofoil ofold ofono ofori oforn ofour ofrum oidor oilof oilon oino- oinoi oiron oliff ollio ollon ollur olmod olofi oloid olomu olord olour olumu ombud omili omino ommin omni- omnio omoon omoro omron omulu onbid ondol onfim onibi onin oniom onion onir- oniro onium onmod onmun onoff onond onoon onorn onour onrio ooioo oonin oonli ooooo orbom ordib ordon ordro orfor orful oribi oridb orill orino oriol orion orium orlin orlon orm-d ormod ormur orni- ornon orobo orodo orold orolu oromo orono orrin orrum oruro oudin oudon ouir- oullo oulon oulun ouoro ourno ourol rdllr ri-fi ribbi ribin ribno ribo- ribon ridin ridof rillo rimbo rimmi rimon rimou rimul rimur rindi rindr rindu rioli riolo rioni rlmdl rmdir rmnmn ro-ro robbi robbo robin robo- robon robor robun robur rodbo roddi rodil rodin rodl rodon rodor rodri rofor rolfo rolin rollo rolmo rolon romfo romni romon rondo ronin ronno roodi roodu roomu roond rorbu rorid roull roumi roumm round rubbi rubid rubim rubin rubio rubof rubon rubor rudin rudli rudno ruffo rufi- rufio rufo- rufol ruili ruino ruiru rulli rullo rulon rumbo rumin rummi rummo rummu rumor rundi rundu runin runo- runof runon ruomu u-dub u-n-i u-nii ubirr ubobo udol udoll ufofu uforb ufund uifli uimid uiro uldin ullin ullur ulmin ulno- uloid ulrum ululu uluru umbil umblu umbri umbro umido uminn umiri umour umudu unbid unbud undid undim undri undub undun undur unfun unfur unido unifi unini uninn union unlid unmol unnim unnun unnur unoil unold unoor unorn unrid unrol unrun unurn urdoi urin- uromi uroob urour urubu uruli urumi ururi uuuuu