arabic letters - number

i've seen people use numbers when writing transliterating arabic into english

for example

7abiby

can someone pls tell me which numbers stand for which arabic letters



shukraan

we use numbers because there are more letters in arabic than in english
and it's used in chatting on the internet
so people choosed to use numbers instead of those letters,nearly look like them in its drawing

like:

2
ء


3
ع

'3
غ

4
ذ

6
ط

'6
ظ

7
ح

8
ق

9
ص

'9
ض

http://www.allthelyrics.com/forum/ar...tml#post693032