Alphabet

Alphabet[] gives a list of the lowercase letters a through z in the English alphabet.

Alphabet[type] gives the alphabet for the specified language or class.

Examples

English alphabet:

Alphabet[]
(* {"a", "b", "c", ..., "z"} *)

Greek alphabet:

Alphabet["Greek"]
(* {"α", "β", "γ", ..., "ω"} *)

Please visit the official Wolfram Language Reference for more details.