I see the list below shows:
Smiley face: [ smile ] or ": )" (no spaces)
Big grin: [ grin ] or ": o"
Wink: [ wink ]
Shocked: [ shock ]
Just puzzled that "grin" is ": o" as that's "shocked" elsewhere, AFAIK !
Sorry, just a lot bit "wrong" IMO
Wikipedia examples
clear signs of shock!