"A Tramp Abroad", By Mark Twain, 1880

 Rank  Occurances  Percentage    2-tuple
       (of 146961)
   1       1182    0.8042950%    of the
   2        872    0.5933547%    in the
   3        441    0.3000796%    to the
   4        395    0.2687788%    it was
   5        365    0.2483652%    and the
   6        348    0.2367975%    it is
   7        305    0.2075381%    of a
   8        301    0.2048162%    in a
   9        300    0.2041358%    on the
  10        231    0.1571846%    at the
  11        220    0.1496996%    was a
  12        206    0.1401732%    i was
  13        201    0.1367710%    to be
  14        196    0.1333687%    i had
  15        193    0.1313274%    with a
  16        191    0.1299665%    with the
  17        180    0.1224815%    is a
  18        179    0.1218010%    that the
  19        179    0.1218010%    for the
  20        168    0.1143160%    all the
  21        166    0.1129551%    one of
  22        166    0.1129551%    he was
  23        162    0.1102333%    from the
  24        158    0.1075115%    out of
  25        150    0.1020679%    of it
  26        150    0.1020679%    and a
  27        146    0.0993461%    we were
  28        145    0.0986656%    there was
  29        142    0.0966243%    did not
  30        141    0.0959438%    had been
  31        139    0.0945829%    but i
  32        136    0.0925416%    i have
  33        133    0.0905002%    by the
  34        129    0.0877784%    and i
  35        128    0.0870979%    for a
  36        125    0.0850566%    they were
  37        124    0.0843761%    but the
  38        122    0.0830152%    he had
  39        121    0.0823348%    could not
  40        117    0.0796130%    there is
  41        115    0.0782521%    is the
  42        114    0.0775716%    we had
  43        114    0.0775716%    into the
  44        112    0.0762107%    was not
  45        112    0.0762107%    and then
  46        109    0.0741693%    of his
  47        108    0.0734889%    that is
  48        108    0.0734889%    i am
  49        107    0.0728084%    the other
  50        105    0.0714475%    to get
  51        100    0.0680453%    to see
  52         97    0.0660039%    it and
  53         97    0.0660039%    in his
  54         94    0.0639625%    on a
  55         94    0.0639625%    is not
  56         91    0.0619212%    was the
  57         91    0.0619212%    the same
  58         89    0.0605603%    to me
  59         88    0.0598798%    up and
  60         88    0.0598798%    to a
  61         87    0.0591994%    over the
  62         87    0.0591994%    i could
  63         87    0.0591994%    a good
  64         85    0.0578385%    i said
  65         85    0.0578385%    have been
  66         83    0.0564776%    a little
  67         81    0.0551167%    of these
  68         81    0.0551167%    of them
  69         81    0.0551167%    had a
  70         81    0.0551167%    but it
  71         80    0.0544362%    that it
  72         80    0.0544362%    of this
  73         80    0.0544362%    a man
  74         79    0.0537558%    that i
  75         79    0.0537558%    and it
  76         78    0.0530753%    he is
  77         76    0.0517144%    i would
  78         75    0.0510339%    would have
  79         75    0.0510339%    he said
  80         74    0.0503535%    the old
  81         74    0.0503535%    such a
  82         73    0.0496730%    when the
  83         72    0.0489926%    he would
  84         72    0.0489926%    and he
  85         71    0.0483121%    up the
  86         71    0.0483121%    to make
  87         71    0.0483121%    to go
  88         71    0.0483121%    that he
  89         71    0.0483121%    if he
  90         70    0.0476317%    when i
  91         70    0.0476317%    so i
  92         70    0.0476317%    at last
  93         69    0.0469512%    would be
  94         69    0.0469512%    to do
  95         69    0.0469512%    through the
  96         69    0.0469512%    the first
  97         69    0.0469512%    as the
  98         68    0.0462708%    of course
  99         68    0.0462708%    and said
 100         68    0.0462708%    a great