$\begin{array}{1 1} \large^{7}C_2. \large\frac{1}{6}^2.\large\frac{5}{6}^{5} \\ \large^{7}C_5. \large\frac{1}{6}^5.\large\frac{5}{6}^{2} \\ \large^{7}C_2. \large\frac{5}{6}^2.\large\frac{1}{6}^{5} \\ \large^{7}C_5. \large\frac{5}{6}^5.\large\frac{1}{6}^{2}\end{array} $