Do you know your ABC's?

Α alpha
β beta
Γ gamma
Δ delta
Ε epsilon
Ζ zeta
Η eta
Θ theta
Ι iota
Κ kappa
Λ lambda
Μ mu
Ν nu
Ξ xi
Ο omicron
Π pi
Ρ rho
Σ sigma
Τ tau
Υ upsilon
Φ phi
Χ chi
Ψ psi
Ω omega