\begin{equation*}
\begin{array}{c|cccccc}
\circ & \identity & \rho_1 & \rho_2 & \mu_1 & \mu_2 & \mu_3 \\
\hline
\identity & \identity & \rho_1 & \rho_2 & \mu_1 & \mu_2 & \mu_3 \\
\rho_1 & \rho_1 & \rho_2 & \identity & \mu_3 & \mu_1 & \mu_2 \\
\rho_2 & \rho_2 & \identity & \rho_1 & \mu_2 & \mu_3 & \mu_1 \\
\mu_1 & \mu_1 & \mu_2 & \mu_3 & \identity & \rho_1& \rho_2\\
\mu_2 & \mu_2 & \mu_3 & \mu_1 & \rho_2 & \identity & \rho_1\\
\mu_3 & \mu_3 & \mu_1 & \mu_2 & \rho_1 & \rho_2& \identity
\end{array}
\end{equation*}