echo 'digraph {

"Alecto" -> "Megaera" [taillabel = "Sister of"]
"Tisiphone" -> "Megaera" [taillabel = "Sister of"]
"Megaera" -> "Alecto" [taillabel = "Sister of"]
"Tisiphone" -> "Alecto" [taillabel = "Sister of"]
"Alecto" -> "Tisiphone" [taillabel = "Sister of"]
"Megaera" -> "Tisiphone" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg