diff --git a/src/NodaBlacklistedTerms.php b/src/NodaBlacklistedTerms.php
index 9fce707..f3bea45 100644
--- a/src/NodaBlacklistedTerms.php
+++ b/src/NodaBlacklistedTerms.php
@@ -48,6 +48,7 @@ final class NodaBlacklistedTerms {
             'DD',
             'EE',
             'FF',
+            'II',
             'GG',
             'HH',
             'Generell) (+ Variante',