List of hidden smileys

[Doctor Rock]

Is there a list of these hidden code smileys somewhere? 

I'll list them, but they're kind of random. It's not like they're some hidden level of awesomeness, they're just random things that didn't seem to fit with the regular smileys.

Code:

drankin

Code:

wtf

Code:

<3

Code:

[:lemon]

Plus the two girls 1 cup one:

Code:

[:2g1c]