BearHanded

import itertools

ops = ["sub", "mul", "div"]
words = [
  ["pigs", "sand", "mail", "date", "head"],
  ["clam", "peak", "heat", "joya", "well"],
  ["toad", "card", "will", "tape", "legs"],
  ["tree", "road", "maid", "slab", "rock"],
  ["hand", "vase", "safe", "clay", "toes"],
]