Zum Begriff At 4000 wurden folgende 50 Tippfehler generiert:
a 4000, a t4000, a+t 4000, a4 4000, a5 4000, a6 4000, aat 4000, ad 4000, af 4000, ag 4000, ah 4000, ar 4000, at 000, at 0400, at 3000, at 4+000, at 40+00, at 400, at 40000, at 4009, at 400o, at 400p, at 400ß, at 400ü, at 4090, at 40o0, at 40p0, at 40ß0, at 40ü0, at 44000, at 4900, at 4o00, at 4p00, at 4ß00, at 4ü00, at 5000, at e000, at r000, at t000, at4 000, att 4000, az 4000, et 4000, qt 4000, st 4000, t 4000, ta 4000, wt 4000, xt 4000, yt 4000
