This is a complete list of every Emoticon in the 4chan /b/ Archive from 2006-2008. The newer ones (such as ( ͡° ͜ʖ ͡°)) won't be included as they weren't around during this time period.
=D
;D
:(
;)
^_~
:)
: D
<3
>:[
^_^
:/
:3
:O
:P
o_O
<-
:\
:'(
^^
:p
D:
:-(
;_;
:I
======>
=[
:0
:D
^________^
=\
-_-
xD
x3
D:<
:'[
>_<
=_=
>_>
This is for everything that I am not sure if is an emoticon as it is currently an isolated case.
O///O
_o/