preop prepa prepd prepg prepl proac proal proap proca prodd prode prodg proer progg prole proll prolo proor prop- prope propl propp propr prora prore r-co- ra-ra raaor raard racal race- raced racer racle radal radar radde radel rader radge radla radle radlo raeda raela raerd ragda ragea raged ragee ragel rager ragga ragoo ralla ralle rallo rapae rapal rapar rapcd raped rapee raper rapga rapla rapor rappa rarae rared raree rarer rccar rcled rcola rcolo rdllr reace reada readd reade reald reale realo realp reape rear- reard recal recap recca recce recco recea reced recep recog redar redco redde redea redel reder redlo redoc redor reece reede reege reepe reere regal regar regec regel reger regga regge reggo regla regle relap reled relee rella rello relog reola reord reorg repad repar repco repec repeg repel repla reple repop repor reppe repro rerde rere- reree ro-ro roade roage roald roale roall rocar rocca rocco rocoa rocor rodda rodde rodea roded rodel rodeo roder rodge rodl rodoc rodor roela roell roera roero rogac rogal roger rogge rogla rolag rolao rolap rolde roled roleo rolga rolla rollc rolle rollo rolpa roode rooer rooge roole roopa roope roore ropar roped roper roppe roral rorer rorra rprop rraga rragc rrape