c-cor ccccc ceco- ceere cegge ceoce ceoor cerc- cerce cerco cerec cerer cerge cero- ceroc cerre cerro co-co cocc- cocce cocco coceo cooee cooer coore coorg corce core- coree corer corge coro- corre crece creer cregg creo- croce croco crooe crore eeeee egger eorre erceg erege erere ergo- eroge eroor erore error gecco geere gegge georg gerce gerre go-go go-oo gocco gocoo gogro googe goore gorce goree gorer gorge gorgo gorre grece greco greer grege gregg grego groce groge grogg grrrr ocoee ocree oeco- ogogo oo-er oocre ooooo oreco oreo- orere orero oroco oroer orrgo r-co- recce recco recog reece reege reere regec reger regge reggo reorg rere- reree ro-ro rocco rocor roero roger rogge rooer rooge roore rorer