Greek alphabet

\[\begin{array}{c c c} \begin{array}{c|c|l} \alpha & A & Alpha \\ \beta & B & Beta\\ \gamma & \Gamma & Gamma\\ \delta & \Delta & Delta\\ \epsilon & E & Epsilon\\ \zeta & Z & Zeta\\ \eta & H & Eta\\ \theta & \Theta & Theta\\ \end{array} & \begin{array}{c|c|l} \iota & I & Iota\\ \kappa & K & Kappa\\ \lambda & \Lambda & Lambda\\ \mu & M & Mu\\ \nu & N & Nu\\ \xi & \Xi & Xi\\ \omicron & O & Omicron\\ \pi & \Pi & Pi\\ \end{array} & \begin{array}{c|c|l} \rho & P & Rho\\ \sigma & \Sigma & Sigma\\ \tau & T & Tau\\ \upsilon & \Upsilon & Upsilon\\ \phi & \Phi & Phi\\ \chi & X & Chi\\ \psi & \Psi & Psi\\ \omega & \Omega & Omega \end{array} \end{array}\]