1337 Guide to the Written Language

A is 4
B is 8
C is (
D is l)
E is 3
F is l=
G is 6
H is l-l
I is !
J is J
K is l<
L is 1
M is l\/l
N is l\l
O is 0
P is l*
Q is Q
R is l2
S is 5
T is 7
U is l_l
V is \/
W is \/\/
X is X
Y is */
Z is Z

I might make it look better and more interesting later.