diff --git a/blns.txt b/blns.txt
index 902a4ca..705b7ed 100644
--- a/blns.txt
+++ b/blns.txt
@@ -35,6 +35,8 @@ $1.00
 0,0,0
 --1
 -
+-.
+-,
 999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999
 NaN
 Infinity