"The Secret Agent", by Joseph Conrad

 Rank  Occurances  Percentage    3-tuple
       (of 77790)
   1        129    0.1658311%    the assistant commissioner
   2         87    0.1118396%    chief inspector heat
   3         57    0.0732742%    the chief inspector
   4         46    0.0591336%    he did not
   5         39    0.0501350%    mr verloc was
   6         38    0.0488495%    a sort of
   7         31    0.0398509%    it was a
   8         30    0.0385654%    of mr verloc
   9         30    0.0385654%    he had been
  10         28    0.0359943%    out of the
  11         26    0.0334233%    would have been
  12         26    0.0334233%    the end of
  13         25    0.0321378%    she did not
  14         24    0.0308523%    it was not
  15         23    0.0295668%    mr verloc had
  16         23    0.0295668%    for a moment
  17         22    0.0282813%    that he was
  18         22    0.0282813%    of the shop
  19         21    0.0269958%    he could not
  20         20    0.0257102%    side of the
  21         20    0.0257102%    he was a
  22         19    0.0244247%    he was not
  23         19    0.0244247%    an air of
  24         18    0.0231392%    to mr verloc
  25         18    0.0231392%    out of his
  26         18    0.0231392%    one of the
  27         18    0.0231392%    it would be
  28         17    0.0218537%    there was a
  29         16    0.0205682%    that mr verloc
  30         16    0.0205682%    on the other
  31         16    0.0205682%    might have been
  32         15    0.0192827%    what do you
  33         15    0.0192827%    the old woman
  34         14    0.0179972%    with a sort
  35         14    0.0179972%    the way of
  36         14    0.0179972%    the sound of
  37         14    0.0179972%    on the table
  38         14    0.0179972%    for a time
  39         14    0.0179972%    at the end
  40         14    0.0179972%    as though he
  41         14    0.0179972%    and mr verloc
  42         13    0.0167117%    the middle of
  43         13    0.0167117%    that sort of
  44         13    0.0167117%    of mr verlocs
  45         13    0.0167117%    mrs verlocs mother
  46         13    0.0167117%    in the morning
  47         13    0.0167117%    in the middle
  48         13    0.0167117%    in order to
  49         13    0.0167117%    for the first
  50         13    0.0167117%    behind the counter
  51         13    0.0167117%    as far as
  52         12    0.0154261%    to do with
  53         12    0.0154261%    the table and
  54         12    0.0154261%    the side of
  55         12    0.0154261%    the great man
  56         12    0.0154261%    of the room
  57         12    0.0154261%    of a man
  58         12    0.0154261%    middle of the
  59         12    0.0154261%    it was the
  60         12    0.0154261%    in the way
  61         12    0.0154261%    had been a
  62         12    0.0154261%    end of the
  63         12    0.0154261%    do you know
  64         12    0.0154261%    did not know
  65         12    0.0154261%    clatter of the
  66         12    0.0154261%    away from the
  67         12    0.0154261%    as much as
  68         11    0.0141406%    with an air
  69         11    0.0141406%    the back of
  70         11    0.0141406%    the assistant commissioners
  71         11    0.0141406%    she had not
  72         11    0.0141406%    seemed to have
  73         11    0.0141406%    of the parlour
  74         11    0.0141406%    of the assistant
  75         11    0.0141406%    mrs verloc was
  76         11    0.0141406%    mrs verloc had
  77         11    0.0141406%    mr verloc would
  78         11    0.0141406%    mr verloc who
  79         11    0.0141406%    mr verloc in
  80         11    0.0141406%    it had been
  81         11    0.0141406%    into the kitchen
  82         11    0.0141406%    inspector heat was
  83         11    0.0141406%    in the world
  84         11    0.0141406%    he would have
  85         11    0.0141406%    he had not
  86         11    0.0141406%    he had a
  87         11    0.0141406%    had been the
  88         11    0.0141406%    for a while
  89         11    0.0141406%    door of the
  90         11    0.0141406%    do you mean
  91         11    0.0141406%    but he was
  92         11    0.0141406%    a matter of
  93         10    0.0128551%    was not a
  94         10    0.0128551%    was no longer
  95         10    0.0128551%    to have been
  96         10    0.0128551%    the light of
  97         10    0.0128551%    the force of
  98         10    0.0128551%    the door of
  99         10    0.0128551%    she could not
 100         10    0.0128551%    seemed to be