Six
Looking for microaesthetics
Uppercase letters: Q, &, J, G, W, A, K, C, R, M, E, P,
S, T, F, B, N, O, U, X, Y, D, H, Z, L, V, I.
Lowercase letters: g, a, j, y, k, t, f, r, q, w, e, b, s, c, d,
p, m, u, x, o, v, h, n, i, l, z.
Mackiewicz (2005)
Perfect & Rookledge (1983)