diff --git a/src/NodaBlacklistedTerms.php b/src/NodaBlacklistedTerms.php
index 6c10a22..0305a3b 100644
--- a/src/NodaBlacklistedTerms.php
+++ b/src/NodaBlacklistedTerms.php
@@ -43,6 +43,7 @@ final class NodaBlacklistedTerms {
             'AA',
             'BB',
             'CC',
+            'F',
             'K',
             'V',
             'Kl',
@@ -71,6 +72,8 @@ final class NodaBlacklistedTerms {
             'II',
             'GG',
             'HH',
+            'T',
+            'D',
             'Generell) (+ Variante',
             'LL',
             'Von unbestimmbarer Gattung',