:D - grin
:O - gasp
;) - wink
8) - glasses
B) - sunglasses
:3 - cute/cat-like
>:( - grumpy
:/ - unsure
:’( - cry
3:) - devil
O:) - angel
:-* - kiss
^_^ - "kiki"
-_- - squint
O.o - confused
>:O - upset
<3 - heart
:v - Pacman
:|] - robot
:putnam: - Chris Putnam (Facebook Engineer)
(^^^) - Shark
<(") - Penguin