E is the most common letter in the English language!
I used the letter E 7 times in that sentence
The runner up for the most used letters in that sentence are: N and T Showing up 4 times each
Theoretically LNRST are the most common consonants in the English language, usage in that sentence above:
L - 3
N - 4
R - 1
S - 3
T - 4