User-agent: * 
Disallow: /wp-admin
Disallow: /wp-includes
Disallow: /wp-login.php
Disallow: /wp-content/plugins
Disallow: /wp-content/cache
Disallow: /wp-content/themes
Disallow: /trackback
Disallow: /comments
Disallow: */trackback
Disallow: */comments
Allow: /wp-content/blogs.dir/

User-agent: YahooSeeker 
Disallow: /

User-agent: MJ12bot
Disallow: /

User-agent: voyager
Crawl-delay: 10