--- /DoubleMetaphone.java	2023-07-05 03:08:28.302033893 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/DoubleMetaphone.java	2023-07-05 03:08:28.306033893 +0200
@@ -140,7 +140,7 @@
                 index = handleL(value, result, index);
                 break;
             case 'M':
-                result.append('M');
+result.append ( "KN", "N" ) ;result.append ( 'M' ) ;
                 index = conditionM0(value, index) ? index + 2 : index + 1;
                 break;
             case 'N':
