okkan okkur okoro okrog okrug okuda okuka okuku okura okuru onado onaga onaka onand onano onaon onara onard ondra ongar ongod ongon ongud onoda onond onoon onora onorn onour onran onuka oonga ooooo orana orand orang oraon orara ordon ordro organ orgon orgun orkan ornan ornon ornua orodo orona orono oroua orrgo oruga oruku oruro ouada ouaka ouako ouara oudan oudka oudon ouona ouoro ouran ourno ra-ra raagu raaor raard radan radar radau radka radon radun ragan ragda ragga ragno ragon ragoo rakaa rakan rakon ran-d ranau randa randd rando randr randu ranga rango rangu ranka ranko ranna ranno rannu ranon ranua raron rauda raugu rauna raung rauno rauon ro-ro roana roann roark rodan rodau rodda rodna rodok rodon rodor rogan rogna rogno rokkk rokon rokua ronan ronda rondo ronga rongo rongu ronk- ronko ronno ronok roodu roond roong rorra rouko round roung roura rraga rrand ruaka ruana ruang ruano ruark rudak rudan rudar rudka rudkk rudna rudno rudok rudra rugao runan runda rundu runga rungu runo- runon rurak ruran rurka u-god uanda uandd uarda uaroo udaan udaka udana udand udara udoka udora ugada ugong ugro- ugrug ukodo ukong ukuug un-go unadd unadu unaka unara unark unaru undog undug undun undur ungag ungar ungka ungod ungok ungon ungra ungud ungur unkar unkur unnao unnau unnun unnur unona unoor unorn unrar unrra unrug unrun unurn uorga uraan uraga urago uran- urana urano urdog urduk urgun urkun urnok urour urrao uruan uuand uuard uuork uurad uuuuu