User-agent: TwengaBot
Disallow: / 

User-agent: twengabot
Disallow: / 

User-agent: Twiceler
Disallow: / 

User-agent: Cuil
Disallow: / 

User-agent: MJ12bot
Disallow: / 

User-agent: Gigabot
Disallow: / 

User-agent: Dotbot
Disallow: / 

User-agent: *
Disallow: /go.php
Disallow: /go.php?
Disallow: /go/