c-p-c c-pop ccccc cloop clown cnnnn co-co co-np co-op cocc- cocco cocol cocon cocow coll- collo colo- colon colop colp- colpo concl conco cono- conon conop coolo coown coppo cowon l-pop loco- locon lollo lolol lonco lopon lowno lowon n-p-n nnooo no-no no-op nonno nonop nonpc nowon ocllo ollon onco- oncol onlow onnow onoon onpop ooooo opcon oploo oppol oppon p-n-p ploop plopp plow- po-on po-po pocno pocol pocop polco pollo polon polop poopo popco popon popop popow poppo powow wcoop wowow wwwww