ongar ongha ongod ongon onhld onoda onond onoon onora onorn onran oonga ooola ooooh ooooo oorah oraal orana orand orang oraon orara ordal ordon ordro orgal organ orgon orhan orlah orlan orlon ornan ornon orodo oroha orold orona orono orrgo ra-ra raaor raard radal radan radar radha radla radlo radon ragah ragan ragda ragga ragno ragon ragoo rahal rahan rahna rahon ralla rallo ralon ran-d ranal randa randd rando randr ranga rangh rango ranho ranlo ranna ranno ranon raron rdllr rhaon rhod- rhoda rhodo rhoga rhona rhoon ro-ro roald roall roana roann rodan rodda rodl rodna rodon rodor rogal rogan rogha rogho rogla rogna rogno rohal rohan rohod rolag rolao rolga rolla rollo rolon ronal ronan ronda rondo ronga rongo ronno rooah roond roong roral rorra rraga rrand