Alpha sounds like a in father.
Beta sounds like b in bat.
Gamma sounds like g in God.
Delta sounds like d in dog.
Epsilon sounds like e in get.
Zeta sounds like dz in adze.
Eta sounds like a in late.
Theta sounds like th in bath.
Iota sounds like i in pit.
Kappa sounds like k in kite.
Lambda sounds like l in lamb.
Mu sounds like m in man.
Nu sounds like n in nice.
Xi sounds like x in box.
Omicron sounds like o in obey.
Pi sounds like p in pie.
Rho sounds like r in row.
Sigma sounds like s in sit.
Tau sounds like t in toy.
Upsilon sounds like oo in good.
Phi sounds like f in fun.
Chi sounds like German ch in Ach.
Psi sounds like ps in lips.
Omega sounds like o in note.