digraph double_ed { 

// pattern [label=""];
n0[label="grammars: W2 D8 2E PER 1E"];
n1[ label="or"];
n0 -> n1;
n2[ label="or"];
n1 -> n2;
n3[ label="seq"];
n2 -> n3;
n4[ label="0-1"];
n3 -> n4;
n5[ label="re"];
n4 -> n5;
n6[ label="or"];
n5 -> n6;
n7[ label="seq"];
n6 -> n7;
n8[ label="1-1"];
n7 -> n8;
n9[ label="charClass"];
n8 -> n9;
n10[ label="SCE: +"];
n9 -> n10;
n11[ label="seq"];
n6 -> n11;
n12[ label="1-1"];
n11 -> n12;
n13[ label="'-'"];
n12 -> n13;
n14[ label="1-1"];
n3 -> n14;
n15[ label="re"];
n14 -> n15;
n16[ label="or"];
n15 -> n16;
n17[ label="seq"];
n16 -> n17;
n18[ label="1-1"];
n17 -> n18;
n19[ label="re"];
n18 -> n19;
n20[ label="seq"];
n19 -> n20;
n21[ label="1-*"];
n20 -> n21;
n22[ label="[0-9]"];
n21 -> n22;
n25[ label="0-1"];
n20 -> n25;
n26[ label="re"];
n25 -> n26;
n27[ label="seq"];
n26 -> n27;
n28[ label="1-1"];
n27 -> n28;
n29[ label="charClass"];
n28 -> n29;
n30[ label="SCE: ."];
n29 -> n30;
n31[ label="0-*"];
n27 -> n31;
n32[ label="[0-9]"];
n31 -> n32;
n35[ label="seq"];
n16 -> n35;
n36[ label="1-1"];
n35 -> n36;
n37[ label="re"];
n36 -> n37;
n38[ label="seq"];
n37 -> n38;
n39[ label="1-1"];
n38 -> n39;
n40[ label="charClass"];
n39 -> n40;
n41[ label="SCE: ."];
n40 -> n41;
n42[ label="1-*"];
n38 -> n42;
n43[ label="[0-9]"];
n42 -> n43;
n46[ label="0-1"];
n3 -> n46;
n47[ label="re"];
n46 -> n47;
n48[ label="seq"];
n47 -> n48;
n49[ label="1-1"];
n48 -> n49;
n50[ label="re"];
n49 -> n50;
n51[ label="or"];
n50 -> n51;
n52[ label="seq"];
n51 -> n52;
n53[ label="1-1"];
n52 -> n53;
n54[ label="'e'"];
n53 -> n54;
n55[ label="seq"];
n51 -> n55;
n56[ label="1-1"];
n55 -> n56;
n57[ label="'E'"];
n56 -> n57;
n58[ label="0-1"];
n48 -> n58;
n59[ label="re"];
n58 -> n59;
n60[ label="or"];
n59 -> n60;
n61[ label="seq"];
n60 -> n61;
n62[ label="1-1"];
n61 -> n62;
n63[ label="charClass"];
n62 -> n63;
n64[ label="SCE: +"];
n63 -> n64;
n65[ label="seq"];
n60 -> n65;
n66[ label="1-1"];
n65 -> n66;
n67[ label="'-'"];
n66 -> n67;
n68[ label="1-*"];
n48 -> n68;
n69[ label="[0-9]"];
n68 -> n69;
n72[ label="seq"];
n2 -> n72;
n73[ label="0-1"];
n72 -> n73;
n74[ label="'-'"];
n73 -> n74;
n75[ label="1-1"];
n72 -> n75;
n76[ label="'I'"];
n75 -> n76;
n77[ label="1-1"];
n72 -> n77;
n78[ label="'N'"];
n77 -> n78;
n79[ label="1-1"];
n72 -> n79;
n80[ label="'F'"];
n79 -> n80;
n81[ label="seq"];
n1 -> n81;
n82[ label="1-1"];
n81 -> n82;
n83[ label="'N'"];
n82 -> n83;
n84[ label="1-1"];
n81 -> n84;
n85[ label="'a'"];
n84 -> n85;
n86[ label="1-1"];
n81 -> n86;
n87[ label="'N'"];
n86 -> n87;
n88[ label="1-1"];
n81 -> n88;
n89[ label="' '"];
n88 -> n89;
 }