rannc ranno rannu ranon ranua raoul raron rauco raugu rauna raung rauno rauon rccar rcola rcolo ro-ro roall roana roann rocar rocca rocco rocoa rocor rocou rogac rogal rogan rogla rogna rogno rolag rolao rolga rolla rollc rollo rolon rolua ronal ronan ronco ronga rongo rongu ronno roong roral rorra roull roung roura rraga rragc ruala ruana ruang ruano rucul rugal rugao rugla rulan rullo rulon runan runcu runga rungu runo- runon rural ruran u-con uacrr uaroo ucgun uclan uconn ugala uggla ugola ugong ugro- ugrug ulaan ulala ulalu ulang ulano ulgan ulguc ullal ullar ullca ulloa ullur ulnar ulno- ulong ulula ululu uluru un-go unaco unara unaru uncal uncol uncon uncor ungag ungar ungon ungra ungul ungur unnao unnau unnun unnur unona unoor unorn unrar unrol unrra unrug unrun unurn uorga uraan uraga urago uralo uran- urana urano urgal urgun urlar urnal urola urour urrao uruan urucu uugla uuuuu