Changed wordlist to be between 4 and 7 characters.

index.html

@@ -225,7 +225,7 @@ I used to use <a href="http://world.std.com/~reinhold/diceware.wordlist.asc">the
 but it contained a lot of symbols, punctuation, numbers, and 2 and 3 letter words.  I wanted to try a different
 wordlist with longer words, no non-alphabetic characters, and words more commonly used.  So I got 
 <a href="http://norvig.com/ngrams/">Peter Norvig's</a> list of <a href="http://norvig.com/ngrams/count_1w.txt"
-	>the 1/3rd million most frequently used words</a> and selected the 7,776 most common words between 5 and 8 
+	>the 1/3rd million most frequently used words</a> and selected the 7,776 most common words between 4 and 7 
 characters in length.
 </p>
 

wordlist/create-wordlist.php

@@ -88,9 +88,9 @@ function readWordListPeterNorvig($filename) {
 		$len = strlen($word);
 
 		//
-		// Keep all words between 5 and 8 characters
+		// Keep all words between 4 and 7 characters
 		//
-		if ($len < 5 || $len > 8) {
+		if ($len < 4 || $len > 7) {
 			continue;
 		}