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
OE, œ are still used in British English for certain words of Greek derivation from Latin. ? 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."