ogiri ogode ogogo oidei oidor oo-er oocre oogie ooioo ooooo oorie orbec orbed orbic orcid order ordib ordie ordoc ordre ordro orebi oreco oredo oreed oreo- oreoi orere orero orfei orfeo orfoe orfor orgic orgie oribe oribi orice oridb origi origo orobe orobo oroco orodo oroer orrgo r-co- rbied rcirc rebbe rebec rebeg reber rebid recce recco reced recio recog redbd redco redde reddi reder redid redie redif redig redoc redor reece reede reefe reege reere refco refdb refed refer reffe reffo regec reger regge reggo regie regii regio reice reide reido reiff reigi reird reord reorg rerde rere- reree reric rerig rerir rerob ri-fi ribbi ribce riber ribie ribo- ricci ricco riced ricer ridec rided rider ridge ridic ridof riede riefe rifer rig-i rigid rigio rigor riife riode ririe ro-ro robbe robbi robbo robec robed rober robic robie robo- robor rocco rocio rocor rodbo rodde roddi roded rodef rodeo roder rodge rodic rodie rodoc rodor rodri roero roffe rofor roger rogge rogoi roide roode roodi rooer roofe rooge roore rorer roric rorid