Add to a crockpot, the pork hocks, ham, onion, thyme, pepper, and bay leaf. Ladle strained beans into crockpot. Add enough fresh water to cover beans by about 2 inches. Cool on low setting 8-10 hours or on high setting 4-5 hours. Remove meat from ham hocks. Slightly mash beans in crock pot. Cover and cook for 10-15 minutes more. Let cool and serve.