User-agent: Googlebot
Disallow: /*/feed/$
Disallow: /*/feed/rss/$
Disallow: /*/trackback/$

User-agent: *
Disallow: /wp-admin/
Disallow: /wp-includes/
Disallow: /wp-
Disallow: /feed/
Disallow: /trackback/
Disallow: /cgi-bin/
Disallow: /wp-login.php/
Disallow: /comments/feed/
Disallow: /rss/