"A Tramp Abroad", By Mark Twain, 1880

 Rank  Occurances  Percentage    3-tuple
       (of 139506)
   1         59    0.0422921%    it was a
   2         54    0.0387080%    one of the
   3         48    0.0344071%    out of the
   4         41    0.0293894%    it is a
   5         36    0.0258053%    there is no
   6         35    0.0250885%    two or three
   7         35    0.0250885%    it is not
   8         35    0.0250885%    i did not
   9         34    0.0243717%    there was a
  10         34    0.0243717%    one of these
  11         33    0.0236549%    by and by
  12         32    0.0229381%    in the morning
  13         30    0.0215045%    i could not
  14         29    0.0207876%    all the time
  15         28    0.0200708%    the rest of
  16         28    0.0200708%    the end of
  17         28    0.0200708%    i do not
  18         28    0.0200708%    a good deal
  19         27    0.0193540%    there was no
  20         27    0.0193540%    and a half
  21         26    0.0186372%    to me that
  22         26    0.0186372%    there is a
  23         26    0.0186372%    that it was
  24         25    0.0179204%    one of them
  25         25    0.0179204%    a couple of
  26         24    0.0172036%    it was the
  27         24    0.0172036%    it is the
  28         24    0.0172036%    in the world
  29         24    0.0172036%    i had been
  30         24    0.0172036%    as soon as
  31         23    0.0164867%    he said he
  32         23    0.0164867%    but it was
  33         22    0.0157699%    to be a
  34         22    0.0157699%    it was not
  35         22    0.0157699%    he could not
  36         21    0.0150531%    one of those
  37         21    0.0150531%    in front of
  38         21    0.0150531%    here and there
  39         20    0.0143363%    we did not
  40         20    0.0143363%    some of the
  41         20    0.0143363%    side of the
  42         20    0.0143363%    he did not
  43         20    0.0143363%    but it is
  44         20    0.0143363%    and it was
  45         19    0.0136195%    they did not
  46         19    0.0136195%    the fact that
  47         19    0.0136195%    of one of
  48         19    0.0136195%    it would be
  49         19    0.0136195%    end of the
  50         18    0.0129027%    to see the
  51         18    0.0129027%    that it is
  52         18    0.0129027%    if i had
  53         18    0.0129027%    if he had
  54         18    0.0129027%    i am not
  55         18    0.0129027%    could not be
  56         18    0.0129027%    at the end
  57         17    0.0121859%    was going to
  58         17    0.0121859%    the middle of
  59         17    0.0121859%    rest of the
  60         17    0.0121859%    of mont blanc
  61         17    0.0121859%    hundred and fifty
  62         17    0.0121859%    he was a
  63         17    0.0121859%    half an hour
  64         17    0.0121859%    at the same
  65         17    0.0121859%    and in the
  66         17    0.0121859%    a sort of
  67         16    0.0114690%    would have been
  68         16    0.0114690%    to make a
  69         16    0.0114690%    to do it
  70         16    0.0114690%    the top of
  71         16    0.0114690%    part of the
  72         16    0.0114690%    on the NUMBER
  73         16    0.0114690%    i said i
  74         16    0.0114690%    and the other
  75         15    0.0107522%    we were not
  76         15    0.0107522%    the presence of
  77         15    0.0107522%    the NUMBER of
  78         15    0.0107522%    that we were
  79         15    0.0107522%    said that the
  80         15    0.0107522%    on the other
  81         15    0.0107522%    now and then
  82         15    0.0107522%    is not a
  83         15    0.0107522%    in the way
  84         15    0.0107522%    in the afternoon
  85         15    0.0107522%    i was not
  86         15    0.0107522%    he had been
  87         15    0.0107522%    did not know
  88         15    0.0107522%    a piece of
  89         14    0.0100354%    when i was
  90         14    0.0100354%    was not a
  91         14    0.0100354%    the old man
  92         14    0.0100354%    the midst of
  93         14    0.0100354%    the matter of
  94         14    0.0100354%    that is the
  95         14    0.0100354%    that he was
  96         14    0.0100354%    on top of
  97         14    0.0100354%    is to say
  98         14    0.0100354%    in the middle
  99         14    0.0100354%    in the matter
 100         14    0.0100354%    hundred years ago