User-agent: *

User-agent: * Disallow: /a/
User-agent: * Disallow: /b/
User-agent: * Disallow: /c/
User-agent: * Disallow: /d/
User-agent: * Disallow: /e/
User-agent: * Disallow: /f/
User-agent: * Disallow: /g/
User-agent: * Disallow: /h/