User-agent: *
Disallow: /a
Disallow: /b
Disallow: /c
Disallow: /d
Disallow: /e
Disallow: /f
Disallow: /g
Disallow: /h
Disallow: /j
Disallow: /k
Disallow: /l
Disallow: /m
Disallow: /n
Disallow: /o
Disallow: /p
Disallow: /q
Disallow: /r
Disallow: /s
Disallow: /t
Disallow: /u
Disallow: /v
Disallow: /w
Disallow: /x
Disallow: /y
Disallow: /z