nona- nonad nonan nonar nonda nondo nonka nonna nonno noonu noora noord norad norba norbu nordo norka norna norok noron norra norro norun nouna noura nrank nu-nu nuabu nuada nubao nubar nubra nudur nunan nunda nunka nunna nunon nunun nuodb nuoro nurak nurar nuroa nurra nuruk nurun o-bon o-r-b oando oandu oaror obaba obaku obara obodo obora oboro obrab obrad obrok obudu odaba odara oddba oddur odour odran odudu oduro okada okaka okano okara okkad okkan okkur okobo okoro okubo okuda okuka okuku okura okuru onado onaka onand onano onaon onara onard ondra onoba onoda onond onoon onora onorn onour onran onuka ooooo oraba orana orand oraon orara orbad orban ordon ordro orkan ornan ornon ornua orobo orodo orona orono oroua oruku oruro ouada ouaka ouako ouara oudan oudka oudon ouona ouoro ouran ourba ourno ra-ra raaba raaor raard rabab rabad rabak raban rabba rabda rabon rabor rabou rabud rabun radan radar radau radka radon radun rakaa rakab rakan rakon ran-d ranau randa randb randd rando randr randu ranka ranko ranna ranno rannu ranon ranua raron rauda rauna rauno rauon ro-ro roadb roana roann roark robab robak robar robbo robo- robon robor robun robur rodan rodau rodbo rodda rodna rodok rodon rodor rokkk rokon rokua ronan ronda rondo ronk- ronko ronno ronok rooba roodu roond rorbu rorra rouba rouko round roura rrand ruaka ruana ruano ruark rubab ruban rubba rubon rubor rubra rudak rudan rudar rudka rudkk rudna rudno rudok rudra runan runda rundu runo- runon rurak ruran rurka u-dub uanda uandd uarda uaroo ubank ubobo udaan udaka udana udand udara udoka udora ukobu ukodo unadd unadu unaka unara unark unaru unbad unban unbar unbud undub undun undur unkar unkur unnao unnau unnun unnur unona unoor unorn unrar unrra unrun unurn uraan uraba uran- urana urano urban urbar urduk urkun urnok uroob urour urrao uruan urubu uuand uuard uuork uurad uuuuu