<?php
wp_nav_menu(array(
'theme_location' => 'menu_location',
'container' => false,
'items_wrap' => '%3$s',
'items_wrap' => '<ul id="nav-primary" class="navigation %2$s"><li class="normal"><a href=""><span class="label-nav"></span><spanvclass="label-nav-sub" data-hover=""></span></a> %3$s</ul>',
));
?>
Above example you can use your static item as well.
TO make it dynamic you can use nav walker see this example –
https://developer.wordpress.org/reference/functions/wp_nav_menu/#comment-content-207