Simplify (x2y2z2x4x2y2z5y2)4\displaystyle {\left({\frac{{{x}^{{2}}{y}^{{2}}{z}^{{2}}{x}^{{-{4}}}}}{{{x}^{{2}}{y}^{{2}}{z}^{{5}}{y}^{{2}}}}}\right)}^{{-{{4}}}} completely.