category list by alphabet

Could someone else help me fix this category list i’m still using wp 3.6.1 and i want to update the latest version but it still mess up the alphabet list for example letter ‘A’ Category list random duplicate that not part of letter A. Here the code if someone could help me fix this

<?php get_header(); ?>

<?php
$a = array('name__like' => "a", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0', 'exclude' => '41');
$b = array('name__like' => "b", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$c = array('name__like' => "c", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$d = array('name__like' => "d", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$e = array('name__like' => "e", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$f = array('name__like' => "f", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$g = array('name__like' => "g", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$h = array('name__like' => "h", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$i = array('name__like' => "i", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$j = array('name__like' => "j", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$k = array('name__like' => "k", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$l = array('name__like' => "l", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$m = array('name__like' => "m", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$n = array('name__like' => "n", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$o = array('name__like' => "o", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$p = array('name__like' => "p", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$q = array('name__like' => "q", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$r = array('name__like' => "r", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$s = array('name__like' => "s", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0', 'exclude' => '39');
$t = array('name__like' => "t", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$u = array('name__like' => "u", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$v = array('name__like' => "v", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$w = array('name__like' => "w", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$x = array('name__like' => "x", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$y = array('name__like' => "y", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
$z = array('name__like' => "z", 'order' => 'ASC', 'title_li' => '0', 'use_desc_for_title' => '0');
?>

<!-- content -->
<div id="content">
<div class="sub-cont"><span>You are on</span><a href="<?php echo get_bloginfo('home'); ?>/">Home</a> / <strong>Category</strong></div>
<h1>Category List</h1>
<div class="Mcont">
<div class="menu-alpha">
<ul>
<li><a href="#A">A</a></li>
<li><a href="#B">B</a></li>
<li><a href="#C">C</a></li>
<li><a href="#D">D</a></li>
<li><a href="#E">E</a></li>
<li><a href="#F">F</a></li>
<li><a href="#G">G</a></li>
<li><a href="#H">H</a></li>
<li><a href="#I">I</a></li>
<li><a href="#J">J</a></li>
<li><a href="#K">K</a></li>
<li><a href="#L">L</a></li>
<li><a href="#M">M</a></li>
<li><a href="#N">N</a></li>
<li><a href="#O">O</a></li>
<li><a href="#P">P</a></li>
<li><a href="#Q">Q</a></li>
<li><a href="#R">R</a></li>
<li><a href="#S">S</a></li>
<li><a href="#T">T</a></li>
<li><a href="#U">U</a></li>
<li><a href="#V">V</a></li>
<li><a href="#W">W</a></li>
<li><a href="#X">X</a></li>
<li><a href="#Y">Y</a></li>
<li><a href="#Z">Z</a></li>
</ul>
</div>
<div class="inContAd">
<?php include (TEMPLATEPATH . '/ads/mo-468x60.php'); ?>

</div>
<div id="left-side">
<div class="alpha"><a name="dot">.</a></div>
<ul>
<li><a href="#">.Example</a></li>
</ul>
<div class="alpha"><a name="A">A</a></div>
<ul>
<?php wp_list_categories($a); ?>
</ul>
<div class="alpha"><a name="B">B</a></div>
<ul>
<?php wp_list_categories($b); ?>
</ul>
<div class="alpha"><a name="C">C</a></div>
<ul>
<?php wp_list_categories($c); ?>
</ul>
<div class="alpha"><a name="D">D</a></div>
<ul>
<?php wp_list_categories($d); ?>
</ul>
<div class="alpha"><a name="E">E</a></div>
<ul>
<?php wp_list_categories($e); ?>
</ul>
<div class="alpha"><a name="F">F</a></div>
<ul>
<?php wp_list_categories($f); ?>
</ul>
<div class="alpha"><a name="G">G</a></div>
<ul>
<?php wp_list_categories($g); ?>
</ul>
<div class="alpha"><a name="H">H</a></div>
<ul>
<?php wp_list_categories($h); ?>
</ul>
<div class="alpha"><a name="I">I</a></div>
<ul>
<?php wp_list_categories($i); ?>
</ul>
<div class="alpha"><a name="J">J</a></div>
<ul>
<?php wp_list_categories($j); ?>
</ul>
<div class="alpha"><a name="K">K</a></div>
<ul>
<?php wp_list_categories($k); ?>
</ul>
<div class="alpha"><a name="L">L</a></div>
<ul>
<?php wp_list_categories($l); ?>
</ul>
<div class="alpha"><a name="M">M</a></div>
<ul>
<?php wp_list_categories($m); ?>
</ul>
</div>
<div id="right-side">
<div class="alpha"><a name="numbers">#</a></div>
<ul>
<li><a href="#">009-1</a></li>
</ul>
<div class="alpha"><a name="N">N</a></div>
<ul>
<?php wp_list_categories($n); ?>
</ul>
<div class="alpha"><a name="O">O</a></div>
<ul>
<?php wp_list_categories($o); ?>
</ul>
<div class="alpha"><a name="P">P</a></div>
<ul>
<?php wp_list_categories($p); ?>
</ul>
<div class="alpha"><a name="Q">Q</a></div>
<ul>
<?php wp_list_categories($q); ?>
</ul>
<div class="alpha"><a name="R">R</a></div>
<ul>
<?php wp_list_categories($r); ?>
</ul>
<div class="alpha"><a name="S">S</a></div>
<ul>
<?php wp_list_categories($s); ?>
</ul>
<div class="alpha"><a name="T">T</a></div>
<ul>
<?php wp_list_categories($t); ?>
</ul>
<div class="alpha"><a name="U">U</a></div>
<ul>
<?php wp_list_categories($u); ?>
</ul>
<div class="alpha"><a name="V">V</a></div>
<ul>
<?php wp_list_categories($v); ?>
</ul>
<div class="alpha"><a name="W">W</a></div>
<ul>
<?php wp_list_categories($w); ?>
</ul>
<div class="alpha"><a name="X">X</a></div>
<ul>
<?php wp_list_categories($x); ?>
</ul>
<div class="alpha"><a name="Y">Y</a></div>
<ul>
<?php wp_list_categories($y); ?>
</ul>
<div class="alpha"><a name="Z">Z</a></div>
<ul>
<?php wp_list_categories($z); ?>
</ul>
</div>
<div class="clr"></div>
</div>
</div>

<?php include (TEMPLATEPATH . '/sidebar.php'); ?>

<?php get_footer(); ?>