Added hyphen to test for allowed/illegal characters

greg/tests/test_utils.py

@@ -33,6 +33,7 @@ def test_not_valid_so_number():
     "string, expected_output",
     [
         ("AZ az ÀÖ ØÞßö øÿ Āſ", False),
+        ("Kari-Mette", False),
         ("aaƂåå", True),
         ("!", True),
         ("÷", True),