The word abbreviation in english

When reading emails, reading posts in forums or receiving messages from friends, you may often encounter some abbreviations in English such as IMHO, BTW, FYI, CMIIW, XOXO etc. some English abbreviations are sometimes useful to speed up the writing and save the number of characters in the chat for example. But sometimes not all the abbreviations in English we understand. Here are some abbreviations in English that are often used .
AFAIK = As Far As I Know
AFK = Away From Keyboard
AKA = Also Known As
ASAP = As Soon As Possible
ATM = According To Me
ATTN = Attention
BAK = Back At the Keyboard
BBIAB = Be Back In A Bit
BBL = Be Back Later
BBS = Be Back Soon
BFN = Bye For Now
BIF = Basis In Fact BION = Believe It Or Not
BL = Belly Laughing
BRB = Be Right Back
BTA = But Then Again
BTT = Back To Topic
BTW = By The Way
CMIIW = Correct Me If I’m Wrong CU = see you
CUA = Common User Access
CUL = see you Later
CWYL = Chat With Ya Later
CYO = See You Online
DBA = Doing Business As
DIKU? = Do I Know You? DITYID? = Did I Tell You I’m Distressed?
DIY = Do It Yourself
DTRT = Do The Right Thing
EMFBI = Excuse Me For Butting In
EOM = End Of Message
EOS = End Of Show
EOT = End Of Three
FTF = Face To Face
FAQ = Frequently Asked Question(s)
FISH = First In, Still Here FOMCL = Falling Off My Chair Laughing
FUD = Fear, Uncertainty & Doubt
FWIW = For What It’s Worth
FYA = For Your Amusement
FYEO = For Your Eyes Only
FYI = For Your Information
GA = Go Ahead
GAL = Get A Life
GIGO = Garbage In, Garbage Out
GIWIST = Gee, I Wish I’d Said That
GMTA = Great Minds Think Alike
GOL = Giggling Out Loud
GRD = Grinning, Running & Ducking
GTG = Got to Go
GWS = Get Well Soon
GTRM = Going To Read Mail
HHOK = Ha Ha, Only Kidding
HHOS = Ha Ha, Only Serious
HNG = Horny Net Geek
HTD = Have To Disagree
HTH = Hope This Helps
HTHBE = Hope This Has Been Enlightening
IAC = In Any Case
IAG = I’m A Genius
IAE = In Any Event
IANAL = I Am Not A Lawyer
IC = I see
ICAM = I Couldn’t Agree More
ID = I Disagree
IHA = I Hate Acronyms
IIRC = If I Remember Correctly
ILY or ILU = I Love You
IMAO = In My Arrogant Opinion
IMCO = In My Considered Opinion
IMHO = In My Humble Opinion
IMNSHO = In My Not So Humble Opinion
IMO = In My Opinion IOW = In Other Words
IPN = I’m Posting Naked
IRL = In Real Life
IRT = In Real Time
ITA = I Totally Agree
ITD = I Totally Disagree
ITRW = In The Real World
IOW = In Other Words
JAT = Just A Thought
JFU = Just For You
JIC = Just In Case
JK = Just Kidding (or Joke)
JMHO = Just My Humble Opinion
JMO = Just My Opinion
KWIM? = Know What I Mean?
L8R = Later
LBAY = Laughing Back At You
LD = Later Dude
LDR = Long=Distance Relationship
LLTA = Lots and Lots of Thunderous Applause
LMAO = Lauging My Ass Off
LOL = Laughing Out Loud or Lots Of Luck
LOLBAY = Laughi
maybe you can add another word. thank you