Laughing emojis

Laughing emojis are something you can use to indicate laughter if you don't want to curse, you just want to save up space for the message you are trying to post (only useful on Twitter, Facebook, and others that have a limit), or you just feel like adding more evidence of laughing by having both.

The most common laughing emojis are, by level:
 * :-o
 * :-O
 * :-0
 * :-D
 * 1) ;-D
 * :'D
 * 1) ;'D
 * :D
 * xD
 * =D
 * 1) ;'D
 * :D
 * xD
 * =D