ogogo ogron oguaa ogugu ogura okaka okano okara okkan okkur okola okoro okrog okrug okuka okuku okura okuru olala olana olang olanu olaru olgun ollon ollur olona olour onaga onaka onall onano onaol onaon onara ongar ongon onoon onora onorn onour onran onuka oonga ooola ooooo oraal orana orang oraon orara orgal organ orgon orgul orgun orkan orkla orlan orlok orlon ornan ornon ornua orolu orona orono oroua orrgo oruga oruku oruro ouaka ouako ouara oullo oulon oulun ouona ouoro oural ouran ourno ourol ra-ra raagu raaor ragan ragga ragno ragon ragoo rakaa rakan rakon ralla rallo ralon ranal ranau ranga rango rangu ranka rankl ranko ranlo ranna ranno rannu ranon ranua raoul raron raugu rauna raung rauno rauon ro-ro roall roana roann roark rogal rogan rogla rogna rogno rokal rokkk rokon rokua rolag rolao rolga rolla rollo rolok rolon rolua ronal ronan ronga rongo rongu ronk- ronko ronno ronok roong roral rorra rouko roulk roull roung roura rraga ruaka ruala ruana ruang ruano ruark rugal rugao rugla rukla rulan rullo rulon runan runga rungu runo- runon rurak rural ruran rurka uaroo ugala uggla ugluk ugola ugong ugro- ugrug ukala ukoln ukong ukula ukuug ulaan ulala ulalu ulang ulano ulgan ullak ullal ullar ulloa ullur ulnar ulno- ulong uluka ulula ululu uluru un-go unaka unara unark unaru ungag ungar ungka ungok ungon ungra ungul ungur unkar unkur unnao unnau unnun unnur unona unoor unorn unrar unrol unrra unrug unrun unurn uorga uraan uraga urago uralo uran- urana urano urgal urgun urkun urlar urnal urnok urola urour urrao uruan uugla uuork uuuuu