--- /DoubleMetaphone.java	2023-07-05 03:08:22.554034071 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/DoubleMetaphone.java	2023-07-05 03:08:22.562034072 +0200
@@ -133,7 +133,7 @@
                 index = handleJ(value, result, index, slavoGermanic);
                 break;
             case 'K':
-                result.append('K');
+result.append ( 'K', 'X' ) ;result.append ( 'K' ) ;
                 index = charAt(value, index + 1) == 'K' ? index + 2 : index + 1;
                 break;
             case 'L':
