Rock Paper Scissors Lizard Spock

In one of the episodes of “The Big Bang Theory” was introduced a modification of the game “Rock, Paper, Scissors” called “Rock, Paper, Scissors, Lizard, Spock” — see “Rock Paper Scissors Lizard Spock” on Youtube .

Here is a graph illustrating the relationships of “Rock, Paper, Scissors, Lizard, Spock”:

The list of rules “Rock, Paper, Scissors, Lizard, Spock” is:

01. Scissors cuts Paper;
02. Paper covers Rock;
03. Rock crushes Lizard;
04. Lizard poisons Spock;
05. Spock smashes Scissors;
06. Scissors decapitates Lizard;
07. Lizard eats Paper;
08. Paper disproves Spock;
09. Spock vaporizes Rock;
10. Rock crushes Scissors.

Here is the Mathematica code for the graph:
GraphPlot[{{"Scissors" -> "Paper", "cuts"}, {"Paper" -> "Rock", "covers"}, {"Rock" -> "Lizard", "crushes"}, {"Lizard" -> "Spock", "poisons"}, {"Spock" -> "Scissors", "smashes"}, {"Scissors" -> "Lizard", "decapitates"}, {"Lizard" -> "Paper", "eats"}, {"Paper" -> "Spock", "disproves"}, {"Spock" -> "Rock", "vaporizes"}, {"Rock" -> "Scissors", "crushes"}},
EdgeLabeling -> True, VertexLabeling -> True, DirectedEdges -> True,
Method -> "CircularEmbedding"]


(It turns out this is already done:
[1] http://www.thinkgeek.com/tshirts-apparel/unisex/generic/b597/?srp=3 ;
[2] https://www.rockitrigs.com/pictures/ShirtChuckDefeatsAll1.jpg .)

And, just to be complete, here is a graph illustrating the relationships of “Rock, Paper, Scissors”: