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