--- /dev/null
+digraph Stemma {
+ omega [ class=hypothetical ];
+ T1 [ class=extant ];
+ T2 [ class=extant ];
+ A [ class=extant ];
+ B [ class=extant ];
+ C [ class=extant ];
+ D [ class=extant ];
+ F [ class=extant ];
+ J [ class=extant ];
+ L [ class=extant ];
+ M [ class=extant ];
+ S [ class=extant ];
+ U [ class=extant ];
+ V [ class=extant ];
+ T1 -> T2;
+ T2 -> A;
+ A -> J;
+ A -> C;
+ C -> M;
+ C -> F;
+ C -> S;
+ S -> D;
+ A -> U;
+ U -> F;
+ U -> V;
+ U -> omega;
+ omega -> B;
+ B -> L;
+}