{ γ κ χ γ γ β π ϕ π τ τ δ θ } + τ { κ τ π τ σ τ {\displaystyle {\begin{Bmatrix}\gamma &\kappa &\chi &\gamma \gamma \\\beta &\pi &\phi &\pi \tau \\\tau &\delta &\theta &\\\end{Bmatrix}}+\tau {\begin{cases}\kappa \tau \\\pi \tau \\\sigma \tau \end{cases}}}
