c-cor c-p-c c-pop ccccc co-co co-op cocc- cocco cocos coops coors copos coppo copps copr- copro coro- corop corps corrs corso corss cosco croco crocs croop croos cropc cropo crops cross cspro csprs ocros oocss ooooo oppos orcop orcos oroco oroso ososo ossos po-po pocop pocos poopo poops poors popco popop popos poppo porco porcs poro- poros porro posco proor prop- propp propr props pros- prosc proso pross psor- r-co- rcpsc ro-ro rocco rocor roops ropos rosso rosss rprop rrsps s-o-r scoop scoor scops scorp scors scroo scrsp so-so sopor soppo soror soros sorso soss- spoor spor- sporo spors sposo sproc sssss