Replace letters with asterisks except first and last character using MYSQL [duplicate]

How can I Replace letters with asterisks except first and last character for example: house -> h***e Database

<div id="ld">    
        <?php
    $base=mysqli_connect('localhost','root','','exercise');
    $request="select text from exercise";
       /*
       Here I want to show all words from database but with letters replaced
       with asterisks (expect first and last letter)
      */
    mysqli_close($base)
        ?>
  </div>

source https://stackoverflow.com/questions/70229078/replace-letters-with-asterisks-except-first-and-last-character-using-mysql