In addition to the face symbols, I took the dice symbols that have been floating around and gave them a thicker border, which in my opinion shows up better when shrunken down to text size on a white background.
Go crazy and make some cool homebrew stuff.
https://docs.google.com/document/d/1i1wi7j1sYIMBU0SKktkHWJ5cLRw5QpHZVHBXKSJ1GI4/edit?usp=sharing