diff --git a/.gitignore b/.gitignore
index 88f2525..ddd2b42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -162,3 +162,12 @@ __pypackages__/
 # =========================================================================== #
 
 example_node.py
+qqq*
+www*
+eee*
+aaa*
+sss*
+ddd*
+zzz*
+xxx*
+ccc*