title: How to match these words in regex?
body: <p>I want to match all these using 1 single regex code.
   <a href="https://regex.alf.nu/4" rel="nofollow">https://regex.alf.nu/4</a>
  I wrote this ([a-z]{2})(\w+)?\1 but its not working</p>
  
  <ol>
  <li>anallagmatic</li>
  <li>bassarisk</li>
  <li>abba </li>
  <li>chorioallantois</li>
  <li>coccomyces</li>
  <li>commotive</li>
  <li>engrammatic</li>
  <li>glossoscopia</li>
  <li>hexacoralla</li>
  <li>hippogriffin</li>
  <li>inflammableness</li>
  <li>otto</li>
  <li>overattached</li>
  <li>saffarid</li>
  <li>sarraceniaceae</li>
  <li>scillipicrin</li>
  <li>tlapallan</li>
  <li>trillion</li>
  <li>unclassably</li>
  <li>unfitting</li>
  <li>unsmelled</li>
  <li>warrandice</li>
  </ol>