-lock c-cor c-p-c c-pop ccccc ccrcl clock clook cloop cloor co-co co-op cocc- cocco cocol cokk- coll- collo colo- colok colop color colp- colpo coolo coppo copr- copro coro- corol corop corrl crock croco croll crook crool croop cropc cropo k-p-r k-pop klock klopp ko-ko kokko kokor kollo kolol koppl korck korol korop koror korpo korro kpolo krock kroll kropp l-pop loco- locro lollo lolol loock lorck ockro ocllo okoc okoro ooooo oploo oppol orcop orlok orlop oroco pclkc pcock plock plook ploop plopp plork po-po pocko pocok pocol pocop polco polko pollo polop poopo poork popco poplr popop poppo porco poro- porro prock proll prolo proor prop- propl propp propr r-co- rcolo ro-ro rocco rocko rocor rokkk rollc rollo rolok rprop