"A Princess of Mars", by Edgar Rice Burroughs

 Rank  Occurances  Percentage    1-tuple
       (of 65910)
   1       4543    6.8927325%    the
   2       2529    3.8370505%    of
   3       2289    3.4729176%    and
   4       1878    2.8493400%    i
   5       1672    2.5367926%    to
   6       1259    1.9101805%    a
   7        953    1.4459111%    my
   8        940    1.4261872%    in
   9        820    1.2441208%    was
  10        761    1.1546048%    that
  11        725    1.0999848%    as
  12        670    1.0165377%    me
  13        659    0.9998483%    had
  14        564    0.8557123%    with
  15        527    0.7995752%    for
  16        490    0.7434380%    it
  17        435    0.6599909%    but
  18        429    0.6508876%    which
  19        428    0.6493704%    upon
  20        421    0.6387498%    from
  21        417    0.6326809%    his
  22        380    0.5765438%    he
  23        376    0.5704749%    her
  24        374    0.5674404%    not
  25        365    0.5537855%    you
  26        338    0.5128205%    were
  27        330    0.5006827%    at
  28        318    0.4824761%    we
  29        306    0.4642695%    they
  30        293    0.4445456%    she
  31        292    0.4430284%    by
  32        275    0.4172356%    have
  33        264    0.4005462%    their
  34        261    0.3959945%    is
  35        256    0.3884084%    on
  36        243    0.3686846%    one
  37        224    0.3398574%    this
  38        218    0.3307541%    be
  39        214    0.3246852%    would
  40        207    0.3140646%    could
  41        198    0.3004096%    so
  42        196    0.2973752%    an
  43        195    0.2958580%    all
  44        193    0.2928235%    them
  45        180    0.2730997%    him
  46        175    0.2655136%    or
  47        174    0.2639964%    dejah
  48        173    0.2624791%    thoris
  49        170    0.2579275%    are
  50        169    0.2564103%    than
  51        168    0.2548930%    no
  52        160    0.2427553%    great
  53        160    0.2427553%    been
  54        158    0.2397208%    our
  55        145    0.2199970%    before
  56        144    0.2184797%    there
  57        143    0.2169625%    then
  58        140    0.2124109%    into
  59        132    0.2002731%    other
  60        131    0.1987559%    when
  61        128    0.1942042%    your
  62        128    0.1942042%    who
  63        128    0.1942042%    us
  64        121    0.1835837%    toward
  65        121    0.1835837%    only
  66        118    0.1790320%    warriors
  67        117    0.1775148%    little
  68        116    0.1759976%    sola
  69        114    0.1729631%    did
  70        107    0.1623426%    some
  71        107    0.1623426%    out
  72        107    0.1623426%    martian
  73        103    0.1562737%    helium
  74        103    0.1562737%    green
  75        102    0.1547565%    two
  76        100    0.1517220%    now
  77        100    0.1517220%    men
  78         99    0.1502048%    these
  79         97    0.1471704%    first
  80         97    0.1471704%    about
  81         95    0.1441359%    tars
  82         95    0.1441359%    tarkas
  83         92    0.1395843%    through
  84         91    0.1380671%    after
  85         90    0.1365498%    what
  86         89    0.1350326%    time
  87         88    0.1335154%    more
  88         88    0.1335154%    feet
  89         87    0.1319982%    do
  90         86    0.1304810%    where
  91         85    0.1289637%    up
  92         83    0.1259293%    city
  93         81    0.1228949%    until
  94         81    0.1228949%    over
  95         80    0.1213776%    without
  96         78    0.1183432%    down
  97         77    0.1168260%    will
  98         77    0.1168260%    man
  99         76    0.1153088%    know
 100         76    0.1153088%    among