The letters are:
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z.
The vowels are:
A - E - I - O - U, sometimes y, very rarely w
Æ and OE, œ are still used in British English for certain words of Greek derivation from Latin. Æ, called ash was also used in native Old English words.
Archaic letters (used in Old English or Middle English) are thorn, þ; eth, ð; yogh, Ȝ or 3; and wynn ƿ. Long s, ſ lasted longer, into early modern English.
"E" is the mostly frequently used letter in the English alphabet. The least frequently used letters are "Q" and "X" and "Z."