Update symbol defaults, factories to have only lower alphabets.

src/cipher_analytical_machine/symbol_factories.clj

@@ -2,7 +2,7 @@
   (:require [clojure.string :as cs])
   (:gen-class))
 
-(defn lower-english-alphabet-factory
+(defn english-alphabet-factory
   "Return the English alphabet with only lowercase letters"
   []
   (reduce
@@ -10,23 +10,11 @@
    ""
    (range (int \a) (inc (int \z)))))
 
-(defn english-alphabet-factory
-  "Return the English alphabet with lower and upper case letters"
-  []
-  (let [letters (lower-english-alphabet-factory)]
-    (str letters (cs/upper-case letters))))
-
-(defn lower-ukrainian-alphabet-factory
+(defn ukrainian-alphabet-factory
   "Return the Ukrainian alphabet with only lowercase letters"
   []
   "абвгґдеєжзиіїйклмнопрстуфхцчшщьюя")
 
-(defn ukrainian-alphabet-factory
-  "Return the Ukrainian alphabet with lower and upper case letters"
-  []
-  (let [letters (lower-ukrainian-alphabet-factory)]
-    (str letters (cs/upper-case letters))))
-
 (defn digit-set-factory
   "Return digits"
   []
@@ -48,14 +36,10 @@
   (cond
     (= language-code "en")
     (str (english-alphabet-factory)
-         (punctuation-symbol-factory)
-         (digit-set-factory)
          \ )
 
     (= language-code "uk")
     (str (ukrainian-alphabet-factory)
-         (punctuation-symbol-factory)
-         (digit-set-factory)
          \ )
 
     :else