--- /Metaphone.java	2023-07-05 02:29:36.954153711 +0200
+++ /Codec-1/src/java/org/apache/commons/codec/language/Metaphone.java	2023-07-05 02:29:36.954153711 +0200
@@ -147,7 +147,7 @@
                     }
                     break ; // only use vowel if leading char
                 case 'B' :
-                    if ( isPreviousChar(local, n, 'M') && 
+if  (  ( n > 0 )  &&  (  ( regionMatch ( local, n, "GN" )  )  ||  ( regionMatch ( local, n, "GNED" )  )  )  )  {     break; }
                          isLastChar(wdsz, n) ) { // B is silent if word ends in MB
 						break;
                     }
