"The Pickwick Papers", by Charles Dickens

 Rank  Occurances  Percentage    2-tuple
       (of 277637)
   1       2043    0.7358529%    of the
   2       1200    0.4322190%    in the
   3       1168    0.4206932%    said mr
   4        914    0.3292068%    to the
   5        759    0.2733785%    said the
   6        738    0.2658147%    and the
   7        662    0.2384408%    on the
   8        661    0.2380807%    with a
   9        661    0.2380807%    at the
  10        617    0.2222326%    in a
  11        574    0.2067448%    of his
  12        512    0.1844135%    with the
  13        473    0.1703663%    he had
  14        471    0.1696460%    it was
  15        451    0.1624423%    to be
  16        433    0.1559590%    the old
  17        408    0.1469545%    of a
  18        408    0.1469545%    he was
  19        396    0.1426323%    by the
  20        352    0.1267843%    for the
  21        351    0.1264241%    in his
  22        347    0.1249833%    was a
  23        347    0.1249833%    into the
  24        346    0.1246232%    replied mr
  25        342    0.1231824%    from the
  26        338    0.1217417%    and a
  27        327    0.1177797%    as he
  28        325    0.1170593%    had been
  29        314    0.1130973%    said sam
  30        292    0.1051733%    my dear
  31        280    0.1008511%    that he
  32        262    0.0943678%    and mr
  33        255    0.0918465%    sir said
  34        255    0.0918465%    it is
  35        255    0.0918465%    i am
  36        245    0.0882447%    a very
  37        238    0.0857234%    and then
  38        233    0.0839225%    there was
  39        229    0.0824818%    to his
  40        228    0.0821216%    that the
  41        226    0.0814013%    the door
  42        224    0.0806809%    of mr
  43        214    0.0770791%    as the
  44        210    0.0756383%    i have
  45        209    0.0752782%    sir replied
  46        206    0.0741976%    his head
  47        206    0.0741976%    do you
  48        204    0.0734772%    out of
  49        195    0.0702356%    the same
  50        195    0.0702356%    bob sawyer
  51        194    0.0698754%    which he
  52        194    0.0698754%    the little
  53        192    0.0691550%    on his
  54        192    0.0691550%    all the
  55        187    0.0673541%    replied the
  56        183    0.0659134%    have been
  57        182    0.0655532%    upon the
  58        181    0.0651930%    a little
  59        180    0.0648329%    for a
  60        180    0.0648329%    as if
  61        176    0.0633921%    the other
  62        171    0.0615912%    to say
  63        170    0.0612310%    old gentleman
  64        169    0.0608708%    who had
  65        168    0.0605107%    and his
  66        166    0.0597903%    with his
  67        166    0.0597903%    to a
  68        161    0.0579894%    one of
  69        157    0.0565487%    if you
  70        156    0.0561885%    the room
  71        153    0.0551079%    was the
  72        153    0.0551079%    to mr
  73        153    0.0551079%    inquired mr
  74        151    0.0543876%    when he
  75        149    0.0536672%    with great
  76        149    0.0536672%    the man
  77        146    0.0525867%    replied sam
  78        146    0.0525867%    in which
  79        146    0.0525867%    from his
  80        146    0.0525867%    at once
  81        142    0.0511459%    the young
  82        141    0.0507857%    to have
  83        141    0.0507857%    and i
  84        141    0.0507857%    a few
  85        140    0.0504256%    if he
  86        140    0.0504256%    dear sir
  87        139    0.0500654%    and he
  88        138    0.0497052%    the whole
  89        136    0.0489848%    the very
  90        134    0.0482645%    to see
  91        133    0.0479043%    the fat
  92        133    0.0479043%    in this
  93        133    0.0479043%    his eyes
  94        132    0.0475441%    into a
  95        131    0.0471839%    you are
  96        131    0.0471839%    of this
  97        130    0.0468237%    the first
  98        130    0.0468237%    i should
  99        129    0.0464635%    the most
 100        128    0.0461034%    would have