c-cor c-p-c c-pop ccccc ccrcl cloop cloor cnnnn co-co co-np co-op cocc- cocco cocol cocon coll- collo colo- colon colop color colp- colpo concl conco concr cono- conon conop conor coolo coppo copr- copro corno coro- corol coron corop corrl croco croll crool croon croop cropc cropo l-pop l-ron loco- locon locro lollo lolol lonco lopon loron n-p-n nnooo no-no no-op nonno nonop nonpc norco noroc noron norro ocllo ocorn ollon onco- oncol onoon onorn onpop ooooo opcon oploo oppol oppon orcon orcop orlon orlop ornon oroco orono p-n-p ploop plopp po-on po-po pocno pocol pocop polco pollo polon polop ponor poopo popco poplr popon popop poppo porcn porco porn- porno poro- poron porro proll prolo proor prop- propl propn propp propr r-co- rcolo ro-ro rocco rocor rollc rollo rolon ronco ronno rprop