Add persian characters

I add this
// Persian
		'ک'=>,'k','گ'=>'g','پ'=>'p','ژ'=>'zh','ی'=>'i','چ'=>'ch',

system/helper/utf8_lookup.php

@@ -222,6 +222,9 @@
 		'ا'=>'a','ب'=>'b','ت'=>'t','ث'=>'th','ج'=>'g','ح'=>'xh','خ'=>'x','د'=>'d','ذ'=>'dh','ر'=>'r',
 		'ز'=>'z','س'=>'s','ش'=>'sh','ص'=>'s\'','ض'=>'d\'','ط'=>'t\'','ظ'=>'z\'','ع'=>'y','غ'=>'gh',
 		'ف'=>'f','ق'=>'q','ك'=>'k','ل'=>'l','م'=>'m','ن'=>'n','ه'=>'x\'','و'=>'u','ي'=>'i',
+
+		// Persian
+		'ک'=>,'k','گ'=>'g','پ'=>'p','ژ'=>'zh','ی'=>'i','چ'=>'ch',
 
 		// Japanese hiragana
 		'あ'=>'a','え'=>'e','い'=>'i','お'=>'o','う'=>'u','ば'=>'ba','べ'=>'be','び'=>'bi','ぼ'=>'bo','ぶ'=>'bu',