On the post Playing with Permalink, I happened to use 3 smilies. Out of those 3, I only knew the text equivalent to one of them 
After digging the WordPress Docs, here is the list:
Information:
- Images location: /wp-includes/images/smilies
- The file that holds the parsing code: /wp-includes/functions.php => from line 1870 to line 1913
Reference:
{ 2 comments… read them below or add one }
Nice
Great.