H, M, N
Kind of U (because the line curves at the end)
If it doesn't have to be all the way vertical... A, V, W, X, Y
c
O, l, S, Z
14 capital letters of the Latin alphabet and 7 lower case letters have planes of symmetry:Capital letters:ACDHIMOSTUVWXYLower case letters:closvwx
E s i o
ALL letters have at least one line of rotational symmetry. However - if you mean reflective symmetry, the letters F, G, J, L, P, Q, R, S, & Z do not.
c
the letters are : E
English alphabet: A, H, I, M, O, T, U, V, W, W, YA
H,I,X,O have symmetry both vertically and horizontally.
A, h, i,
The letters with vertical line symmetry are: W, T, Y, U, I, O, A, H, X, V, M. The letters with horizontal line symmetry are: E, I, O, D, H, X, C, B.
O, l, S, Z
4
o x l I
Z Q N r Y
Capital h, i, o, t, x.
14 capital letters of the Latin alphabet and 7 lower case letters have planes of symmetry:Capital letters:ACDHIMOSTUVWXYLower case letters:closvwx