"Of Human Bondage", by Somerset Maugham

 Rank  Occurances  Percentage    3-tuple
       (of 224156)
   1        270    0.1204518%    he did not
   2        239    0.1066222%    he could not
   3        148    0.0660254%    there was a
   4        135    0.0602259%    that he was
   5        134    0.0597798%    it was a
   6        130    0.0579953%    he had been
   7        120    0.0535341%    and he was
   8        117    0.0521958%    that he had
   9        114    0.0508574%    he was a
  10        112    0.0499652%    did not know
  11         98    0.0437196%    out of the
  12         93    0.0414890%    one of the
  13         93    0.0414890%    i dont know
  14         89    0.0397045%    he had a
  15         88    0.0392584%    she did not
  16         86    0.0383661%    and it was
  17         84    0.0374739%    he had not
  18         78    0.0347972%    it would be
  19         77    0.0343511%    he thought of
  20         72    0.0321205%    to go to
  21         72    0.0321205%    that he could
  22         70    0.0312283%    he wanted to
  23         69    0.0307821%    and he had
  24         68    0.0303360%    he was not
  25         65    0.0289977%    which he had
  26         65    0.0289977%    and there was
  27         64    0.0285515%    the end of
  28         64    0.0285515%    looked at him
  29         64    0.0285515%    he looked at
  30         63    0.0281054%    but he was
  31         62    0.0276593%    that she was
  32         61    0.0272132%    he had never
  33         61    0.0272132%    for a moment
  34         60    0.0267671%    two or three
  35         60    0.0267671%    there was no
  36         58    0.0258748%    that it was
  37         57    0.0254287%    that he would
  38         56    0.0249826%    philip did not
  39         55    0.0245365%    could not help
  40         54    0.0240904%    but he had
  41         53    0.0236442%    up his mind
  42         53    0.0236442%    it seemed to
  43         53    0.0236442%    he would have
  44         51    0.0227520%    when he was
  45         50    0.0223059%    was going to
  46         50    0.0223059%    it was the
  47         50    0.0223059%    he knew that
  48         50    0.0223059%    a good deal
  49         48    0.0214137%    now and then
  50         47    0.0209675%    made up his
  51         47    0.0209675%    he began to
  52         47    0.0209675%    but it was
  53         46    0.0205214%    to him that
  54         46    0.0205214%    so that he
  55         46    0.0205214%    he would not
  56         46    0.0205214%    he was in
  57         46    0.0205214%    did not answer
  58         45    0.0200753%    was a little
  59         45    0.0200753%    the thought of
  60         45    0.0200753%    in the morning
  61         45    0.0200753%    as soon as
  62         43    0.0191831%    one or two
  63         42    0.0187370%    went to the
  64         42    0.0187370%    gave him a
  65         42    0.0187370%    at the end
  66         42    0.0187370%    and when he
  67         41    0.0182908%    but he could
  68         41    0.0182908%    be able to
  69         40    0.0178447%    seemed to him
  70         40    0.0178447%    in order to
  71         40    0.0178447%    he had to
  72         39    0.0173986%    to do with
  73         39    0.0173986%    it was not
  74         38    0.0169525%    thought of the
  75         38    0.0169525%    she had been
  76         38    0.0169525%    looked at the
  77         38    0.0169525%    i dont want
  78         38    0.0169525%    him and he
  79         38    0.0169525%    go to the
  80         38    0.0169525%    a couple of
  81         37    0.0165064%    not know what
  82         37    0.0165064%    he was very
  83         37    0.0165064%    came to the
  84         37    0.0165064%    and looked at
  85         36    0.0160602%    to think of
  86         36    0.0160602%    she had a
  87         36    0.0160602%    looked at her
  88         36    0.0160602%    he went to
  89         36    0.0160602%    he seemed to
  90         36    0.0160602%    he had no
  91         36    0.0160602%    he felt that
  92         36    0.0160602%    end of the
  93         35    0.0156141%    to him and
  94         35    0.0156141%    that he should
  95         35    0.0156141%    she looked at
  96         35    0.0156141%    she could not
  97         35    0.0156141%    in the world
  98         35    0.0156141%    in front of
  99         35    0.0156141%    he was going
 100         35    0.0156141%    dont know what