diff --git a/core/PasswordPhraseGenerator.php b/core/PasswordPhraseGenerator.php
index c30bbd3..bdaf141 100644
--- a/core/PasswordPhraseGenerator.php
+++ b/core/PasswordPhraseGenerator.php
@@ -28,14 +28,26 @@ class PasswordPhraseGenerator
     }
 
 
-    private function rando($arr)
+    /**
+     * Random sub element
+     *
+     * @param array $arr
+     * @return array
+     */
+    private function _rando($arr)
     {
         return $arr[array_rand($arr)];
     }
 
-    private function word($cla, $conj = null)
+    /**
+     * Select random word from class
+     *
+     * @param string $cla
+     * @param int $conj
+     * @return string $word
+     */
+    private function _word($cla, $conj = null)
     {
-        global $ord;
         $word = $this->ord[$cla][array_rand($this->ord[$cla])]; //rand(0,count($ord[$cla]));
         if ($conj == null) {
             return $word;
@@ -44,14 +56,20 @@ class PasswordPhraseGenerator
         }
     }
 
+    /**
+     * Main model generator
+     *
+     * @param integer $conj
+     * @return string $phrase
+     */
     function lego($conj = 0)
     {
         // 0 = ubestemt ental, eks. "en grim tyr" el. "et dumt æg".
         // 1 = bestemt ental, eks. "den grimme tyr" el. "det dumme æg"
         // 2 = ubestemt flertal, eks. "ægte tedåser"
         // 3 = bestemt flertal, eks. "de rådne æbler"
-        $main = $this->word("sub");
-        $desc = $this->word("adj");
+        $main = $this->_word("sub");
+        $desc = $this->_word("adj");
         if ($main[4] == "t") {
             $neutrum = true;
         } else {
@@ -61,28 +79,33 @@ class PasswordPhraseGenerator
         switch ($conj) {
             case 0:
                 if ($neutrum) {
-                    $phrase = "et " . $this->word("adj")[1] . " " . $main[0];
+                    $phrase = "et " . $this->_word("adj")[1] . " " . $main[0];
                 } else {
-                    $phrase = "en " . $this->word("adj")[0] . " " . $main[0];
+                    $phrase = "en " . $this->_word("adj")[0] . " " . $main[0];
                 }
                 break;
             case 1:
                 if ($neutrum) {
-                    $phrase = "det " . $this->word("adj")[2] . " " . $main[0];
+                    $phrase = "det " . $this->_word("adj")[2] . " " . $main[0];
                 } else {
-                    $phrase = "den " . $this->word("adj")[2] . " " . $main[0];
+                    $phrase = "den " . $this->_word("adj")[2] . " " . $main[0];
                 }
                 break;
             case 2:
-                $phrase = $this->word("adj")[2] . " " . $main[2];
+                $phrase = $this->_word("adj")[2] . " " . $main[2];
                 break;
             case 3:
-                $phrase = "de " . $this->word("adj")[2] . " " . $main[2];
+                $phrase = "de " . $this->_word("adj")[2] . " " . $main[2];
                 break;
         }
         return $phrase;
     }
 
+    /**
+     * Generate phrase
+     *
+     * @return string $phrase
+     */
     public function generate()
     {
         switch ($this->model) {
@@ -92,8 +115,8 @@ class PasswordPhraseGenerator
                 } else {
                     $b = $this->lego(rand(0, 1));
                 }
-                $c = $this->word("ver", rand(1, 4));
-                $d = $this->word("sub", $this->rando([1, 3]));
+                $c = $this->_word("ver", rand(1, 4));
+                $d = $this->_word("sub", $this->_rando([1, 3]));
                 if (rand(0, 1) > 0) {
                     $which = rand(1, 3);
                     switch ($which) {
@@ -111,12 +134,12 @@ class PasswordPhraseGenerator
                 $result = "{$this->tal} $b $c $d{$this->tegn}";
                 break;
             case 1:
-                $a = $this->lego($this->rando([0, 1, 3]));
-                $b = $this->word("ver", rand(1, 4));
+                $a = $this->lego($this->_rando([0, 1, 3]));
+                $b = $this->_word("ver", rand(1, 4));
                 if ($this->tal > 1) {
-                    $c = $this->word("sub", 2);
+                    $c = $this->_word("sub", 2);
                 } else {
-                    $c = $this->word("sub", $this->rando([1, 3]));
+                    $c = $this->_word("sub", $this->_rando([1, 3]));
                 }
                 $result = "$a $b {$this->tal} $c{$this->tegn}";
                 break;