You may see or friends say (or send) these letters in some places. Many times, everyone may not be able to "decipher", but you must not be at a loss because you don't understand their meaning.

If you get these letter combinations from a friend, if the other person is an ordinary friend, just ask the other person what they mean, so as to avoid misunderstanding or delay other things;

If the other person is a friend of the opposite sex, a person who has a good impression on himself or feels that the other person has a good impression on himself, you can't speculate without knowing what these letter combinations mean. Sensitive relationships are the most taboo! It is suggested that you can make a general understanding of your behavior in combination with each other's daily life, but this understanding is only used as a reference for your next behavior.