I have to say, I hated my other ones: http://pixeljoint.com/pixelart/18769.htm

Here are their counterparts:

: |             : )             : D           B )           8B

: (             X*()        >:o          >:D          X[]

O_o        XD          : S            8 E           <3

; )            : P            ; P           8 O          : X

/o.o\        *_*         E >8)       Mime      Base