echo 'digraph {

"Rei" -> "Zwei" [taillabel = "Teammate of"]
"Ein" -> "Zwei" [taillabel = "Teammate of"]
"Zwei" -> "Rei" [taillabel = "Teammate of"]
"Ein" -> "Rei" [taillabel = "Teammate of"]
"Zwei" -> "Ein" [taillabel = "Teammate of"]
"Rei" -> "Ein" [taillabel = "Teammate of"]
}' | dot -Tsvg > output.svg