digraph Database
{
    0 [label="Bonjour"];
    1 [label="tout"];
    2 [label="le"];
    3 [label="monde"];
    4 [label="!"];
    5 [label="va"];
    6 [label="bien"];
    7 [label="?"];
    0 -> 1;
    1 -> 2;
    2 -> 3;
    3 -> 4;
    3 -> 5;
    5 -> 6;
    6 -> 7;
}