"The Adventures of Huckleberry Finn," by Mark Twain

 Rank  Occurances  Percentage    2-tuple
       (of 105161)
   1        432    0.4107987%    in the
   2        369    0.3508905%    it was
   3        338    0.3214119%    of the
   4        317    0.3014425%    and the
   5        289    0.2748167%    i was
   6        258    0.2453381%    and i
   7        248    0.2358289%    and then
   8        234    0.2225160%    to the
   9        225    0.2139576%    on the
  10        203    0.1930373%    he was
  11        200    0.1901846%    out of
  12        196    0.1863809%    but i
  13        192    0.1825772%    was a
  14        165    0.1569023%    so i
  15        163    0.1550004%    i says
  16        157    0.1492949%    up and
  17        157    0.1492949%    in a
  18        155    0.1473930%    and he
  19        146    0.1388347%    it and
  20        141    0.1340801%    got to
  21        140    0.1331292%    to be
  22        140    0.1331292%    of a
  23        136    0.1293255%    and so
  24        135    0.1283746%    a little
  25        133    0.1264727%    the king
  26        131    0.1245709%    and says
  27        127    0.1207672%    there was
  28        127    0.1207672%    and a
  29        126    0.1198163%    all the
  30        125    0.1188654%    going to
  31        125    0.1188654%    for the
  32        121    0.1150617%    he said
  33        119    0.1131598%    i didnt
  34        118    0.1122089%    to get
  35        118    0.1122089%    the duke
  36        117    0.1112580%    me and
  37        116    0.1103071%    the river
  38        114    0.1084052%    to do
  39        114    0.1084052%    he says
  40        114    0.1084052%    and by
  41        110    0.1046015%    him and
  42        105    0.0998469%    i couldnt
  43        104    0.0988960%    of it
  44        102    0.0969941%    kind of
  45        101    0.0960432%    all right
  46        100    0.0950923%    of them
  47         99    0.0941414%    by and
  48         97    0.0922395%    i got
  49         96    0.0912886%    to see
  50         96    0.0912886%    i could
  51         94    0.0893867%    i see
  52         94    0.0893867%    and it
  53         91    0.0865340%    when i
  54         91    0.0865340%    that was
  55         91    0.0865340%    for a
  56         91    0.0865340%    at the
  57         90    0.0855831%    the old
  58         90    0.0855831%    i reckon
  59         89    0.0846321%    a good
  60         88    0.0836812%    want to
  61         88    0.0836812%    i had
  62         88    0.0836812%    i dont
  63         87    0.0827303%    up the
  64         87    0.0827303%    out and
  65         86    0.0817794%    was all
  66         86    0.0817794%    done it
  67         85    0.0808284%    was the
  68         84    0.0798775%    we was
  69         84    0.0798775%    then i
  70         84    0.0798775%    the way
  71         84    0.0798775%    if i
  72         84    0.0798775%    and we
  73         83    0.0789266%    with a
  74         83    0.0789266%    one of
  75         83    0.0789266%    on a
  76         82    0.0779757%    then he
  77         82    0.0779757%    said he
  78         81    0.0770248%    down the
  79         80    0.0760738%    with the
  80         80    0.0760738%    and when
  81         79    0.0751229%    she was
  82         77    0.0732211%    we got
  83         77    0.0732211%    the raft
  84         76    0.0722701%    so he
  85         75    0.0713192%    they was
  86         75    0.0713192%    and they
  87         74    0.0703683%    the time
  88         73    0.0694174%    in and
  89         72    0.0684664%    was going
  90         72    0.0684664%    and said
  91         71    0.0675155%    warnt no
  92         71    0.0675155%    had a
  93         70    0.0665646%    there warnt
  94         70    0.0665646%    said it
  95         70    0.0665646%    he had
  96         70    0.0665646%    by the
  97         69    0.0656137%    it warnt
  98         68    0.0646628%    when he
  99         68    0.0646628%    well i
 100         68    0.0646628%    to go