--- /Metaphone.java	2023-07-05 03:06:55.310036805 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/Metaphone.java	2023-07-05 03:06:55.314036805 +0200
@@ -328,7 +328,7 @@
 	private boolean isNextChar(StringBuffer string, int index, char c) {
 		boolean matches = false;
 		if( index >= 0 &&
-		    index < string.length() - 1 ) {
+index < string.length() - 4  - 1  )  {
 			matches = string.charAt(index + 1) == c;
 		}
 		return matches;
