User-agent: PowerMapper Allow: / 
User-agent: *
Disallow: /sitecore/
Disallow: /sitecore modules/
Disallow: /en/biographies/abc
Disallow: /biographies/abc
Disallow: /biographies/wordgenbio.aspx
Disallow: /alumni
Disallow: /*/alumni

Sitemap: https://www.cov.com/sitemap.xml