c-cor ccccc cnngo cnnnn co-co cocc- cocco cocon cogon con-g conco concr congo cono- conon conor coorg corno coro- coron croco croon go-go go-on go-oo gocco gocoo gogon gogro gonc gongo gonnn gonno gono- goong gorgo gorno grogg grong grono groon grrrr ngong ngoro nnooo no-go no-no nonno norco noroc noron norro ocorn ognon ogogo ogron onco- ongon onoon onorn ooooo orcon orgon ornon oroco orono orrgo r-co- ro-ro rocco rocor rogno ronco rongo ronno roong