"It does follow from that naming convention we introduced with Alpha," McCrindle said ... sequential path — Beta, Gamma, Delta, and so on, he said. The name itself has no inherent meaning ...

Tau Kappa Epsilon, Alpha Omicron Pi, Kappa Sigma, Chi Omega, Sigma Alpha Epsilon, Gamma Phi Beta, Alpha Phi Alpha, Alpha Kappa Alpha, Kappa Alpha Psi, Delta Sigma Theta, Omega Psi Phi, Zeta Phi ...