This is what I found out about that subject:
The letter "A" is the first letter of 17 countries.
The letter "B" is the first letter of 23 countries.
The letter "C" is the first letter of 24 countries.
The letter "D" is the first letter of 5 countries.
The letter "E" is the first letter of 8 countries.
The letter "F" is the first letter of 8 countries.
The letter "G" is the first letter of 18 countries.
The letter "H" is the first letter of 6 countries.
The letter "I" is the first letter of 9 countries.
The letter "J" is the first letter of 6 countries.
The letter "K" is the first letter of 7 countries.
The letter "L" is the first letter of 9 countries.
The letter "M" is the first letter of 21 countries.
The letter "N" is the first letter of 15 countries.
The letter "O" is the first letter of 1 countries.
The letter "P" is the first letter of 12 countries.
The letter "Q" is the first letter of 1 countries.
The letter "R" is the first letter of 4 countries.
The letter "S" is the first letter of 30 countries.
The letter "T" is the first letter of 15 countries.
The letter "U" is the first letter of 7 countries.
The letter "V" is the first letter of 4 countries.
The letter "W" is the first letter of 4 countries.
The letter "X" is the first letter of 0 countries.
The letter "Y" is the first letter of 1 countries.
The letter "Z" is the first letter of 2 countries.
The letter E
E is the most frequently repeated letter in the English alphabet.
X
The letter E comes before the letter F in the English Alphabet and this is the case for most Alphabets that contain Latin Alphabet symbols that are derived from Greek.
R is number 18 on the alphabet.
the letter a
The letter "E" is the most commonly used letter in the English language. The next most frequently used letter is "T".
a
The letter E
The letter E
E is the most frequently repeated letter in the English alphabet.
X
Q
Like most European languages, English is written in a modified Roman alphabet. The letter W is the most recent addition to it.
The letter E comes before the letter F in the English Alphabet and this is the case for most Alphabets that contain Latin Alphabet symbols that are derived from Greek.
R is number 18 on the alphabet.
q or x