src/share/classes/sun/text/resources/bg/FormatData_bg.java

*** 105,114 ****
--- 105,125 ----
                      "\u0427\u0442", // abb Thursday
                      "\u041f\u0442", // abb Friday
                      "\u0421\u0431" // abb Saturday
                  }
              },
+             { "DayNarrows",
+                 new String[] {
+                     "\u043d",
+                     "\u043f",
+                     "\u0432",
+                     "\u0441",
+                     "\u0447",
+                     "\u043f",
+                     "\u0441",
+                 }
+             },
              { "Eras",
                  new String[] { // era strings
                      "\u043f\u0440.\u043d.\u0435.",
                      "\u043d.\u0435."
                  }