echo 'digraph {

"Purple Heart" -> "Neptune" [taillabel = "Human form of"]
"Noire" -> "Neptune" [taillabel = "Friend of"]
"Vert" -> "Neptune" [taillabel = "Friend of"]
"Blanc" -> "Neptune" [taillabel = "Friend of"]
"Nepgear" -> "Neptune" [taillabel = "Sister of"]
"White Heart" -> "Blanc" [taillabel = "Human form of"]
"Ram" -> "Blanc" [taillabel = "Older Sister of"]
"Rom" -> "Blanc" [taillabel = "Older Sister of"]
"Uni" -> "Noire" [taillabel = "Older sister of"]
"Black Heart" -> "Noire" [taillabel = "Human form of"]
"Neptune" -> "Purple Heart" [taillabel = "HDD form of "]
"Green Heart" -> "Vert" [taillabel = "Human form of"]
"Purple Sister" -> "Nepgear" [taillabel = "human form of"]
"Neptune" -> "Nepgear" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg