src/share/classes/sun/text/resources/uk/FormatData_uk.java

*** 136,145 ****
--- 136,156 ----
                      "\u0447\u0442", // abb Thursday
                      "\u043f\u0442", // abb Friday
                      "\u0441\u0431" // abb Saturday
                  }
              },
+             { "DayNarrows",
+                 new String[] {
+                     "\u041d",
+                     "\u041f",
+                     "\u0412",
+                     "\u0421",
+                     "\u0427",
+                     "\u041f",
+                     "\u0421",
+                 }
+             },
              { "Eras",
                  new String[] { // era strings
                      "\u0434\u043e \u043d.\u0435.",
                      "\u043f\u0456\u0441\u043b\u044f \u043d.\u0435."
                  }