diff --git a/src/cipher_analytical_machine/cli/actions/cracking.clj b/src/cipher_analytical_machine/cli/actions/cracking.clj
index db4a8ab..4162727 100644
--- a/src/cipher_analytical_machine/cli/actions/cracking.clj
+++ b/src/cipher_analytical_machine/cli/actions/cracking.clj
@@ -1,6 +1,7 @@
 (ns cipher-analytical-machine.cli.actions.cracking
   (:require
    [cipher-analytical-machine.analyzers.caesar :as caesar-analyzers]
+   [cipher-analytical-machine.analyzers.simple-substitution :as ss-analyzers]
    [cipher-analytical-machine.symbols.frequencies :as symbol-frequencies])
   (:gen-class))
 
@@ -18,10 +19,27 @@
       :else
       (caesar-analyzers/get-plaintext message symbols frequencies))))
 
+(defn cracking-simple-substitution-with-caesar
+  [options arguments]
+  (let [analyzer (:analyzer options)
+        message (:message options)
+        symbols (:symbols options)
+        frequencies (-> (get options :language "en")
+                        (symbol-frequencies/default-frequency-factory))]
+    (cond
+      (= analyzer "Chi^2")
+      (ss-analyzers/get-plaintext-and-key message frequencies)
+
+      :else
+      (ss-analyzers/get-plaintext-and-key message frequencies))))
+
 (defn cracking-actions
   [options arguments action-type]
   (let [cipher (:cipher options)]
     (cond
       (= cipher "Caesar")
-      (cracking-caesar options arguments))))
+      (cracking-caesar options arguments)
+
+      (= cipher "Simple substitution and Caesar")
+      (cracking-simple-substitution-with-caesar options arguments))))
 
diff --git a/src/cipher_analytical_machine/cli/options.clj b/src/cipher_analytical_machine/cli/options.clj
index dd93152..61624d7 100644
--- a/src/cipher_analytical_machine/cli/options.clj
+++ b/src/cipher_analytical_machine/cli/options.clj
@@ -32,7 +32,8 @@
   (option-values-as-row "Ciphers" cipher-options))
 
 (def analyzers-options
-  {"Caesar" #{"Chi^2"}})
+  {"Caesar" #{"Chi^2" "Frequency"}
+   "Simple substitution and Caesar" #{"Chi^2" "Frequency"}})
 
 (defn get-available-analyzers-options-as-string
   "Return the formatted string of analyzers options."