copy pasting a ranking from hypixel forums of all letters of the english alphabet:
S tier - q, y, l, m, t, g
A Tier - z, k, n,
B Tier - e, r, a,
C Tier - h, u, s, w,
D Tier - b, v, i,
E Tier - o, c, f,
F Tier - x, d, p,
J Tier - j. **** this letter
S tier - q, y, l, m, t, g
A Tier - z, k, n,
B Tier - e, r, a,
C Tier - h, u, s, w,
D Tier - b, v, i,
E Tier - o, c, f,
F Tier - x, d, p,
J Tier - j. **** this letter