<?php

$s = '';
$r = '';

// 0x21 (!) ... 0x3a (:) == A..Z (41..5a)
for ($i=0x21; $i<=0x3a; $i++) {
	$s .= chr($i);
	$r .= chr($i+0x20);
}

$s .= ';<=>?';
$r .= 'üنؤِض';

// 0x41 (A) ... 0x5a (Z) == a..z (61..7a)
for ($i=0x41; $i<=0x5a; $i++) {
	$s .= chr($i);
	$r .= chr($i+0x20);
}

$s .= '[_`cdefghijklmnovy|{';
$r .= "ـك?0123456789!,:'%-+";

$s .= chr(0x7f);
$r .= '.';

$s .= chr(0xcf); // د
$r .= "\n";

?>