X+Y      X+Z     X-Y-Z
X-2Y-Z   X       X+2Y+Z
X+Y+Z    X-Z     X-Y

Terms: X, X+Y, X-Y, X+Z, X-Z, X+Y+Z, X-Y-Z, X-2Y-Z, X+2Y+Z

X+Y      X-2Y+Z  X+Y-Z
X-Z      X       X+Z
X-Y+Z    X+2Y-Z  X-Y

Terms: X, X+Y, X-Y, X+Z, X-Z, X+Y-Z, X-Y+Z, X+2Y-Z, X-2Y+Z

Terms in common: X, X+Y, X-Y, X+Z, X-Z

Terms not in common: X+Y+Z  VS X+Y-Z  AND X-Y-Z  VS X-Y+Z
                     X-2Y-Z VS X-2Y+Z AND X+2Y+Z VS X+2Y-Z