What is 1337 speak!!!!!!?

A language in which numbers and symbols are put together to look like letters. Some people create their own 1337 letters and it makes them look more 1337 by fellow 1337-speakers. Here is an alphabet of 1337 letters I know and have created:

A: 4 or l\ or ^ or @ or /\ or /-\

B. l3 or 8 or ß or ]3 or l:

C: ( or < or © or ¢

D: l) or l> or ])

E:3 or £

F: l= or # or ƒ

G:6 or 9

H: # or l-l or (-) or !-! or }-{ or }{ or l+l or )+( or !+! or }+{

L: 1 or ! or ]

J: _l or _/

K: l< or l( or l{ or l<=

L: l_ or ! or 1

M: l\/l or /\/\ or l\l\ or ^^

N: l/l or /\/

O: 0 or () or <> or * or ø or Ó or °

P: l* or l> or |D or l^ or l+

Q:& or (\) or ¶

R: l2 or ®

S: 5 or $ or §

T:+ or 7

U: l_l or /_/

V: \/

W:|/\| or \/\/ or |/\/ or \/\|

X: >< or }{ or :-:

Y: ¥

Z: 2

()/\/\9 7^l+l+ 15 73)-( 1337 #l\:-:<>l2 1 +()l_l> _/<>* ^l3°l_l+ /\/\3}-{ #1213l/ll>!!!1!!11!1!! )+(3 |D\l\/l/l2.