args are --input-corpus 2.short.shelley.txt --ngram-length 2 --output-state 2.short.state
{
  "counts" => {
    "achieve|treading"         => 1,
    "acquired|new"             => 1,
     ...big snip of similar...
    "words|of"                 => 1,
    "works|in"                 => 1,
  },
  "cum-twisted-dist" => {
    achieve      => ["treading", 1],
    acquired     => ["new", 1],
    already      => ["marked", 1],
    and          => [
                      "the",
                      0.142857142857143,
                      "performed",
                      0.285714285714286,
                      "that",
                      0.428571428571429,
                      "even",
                      0.571428571428571,
                      "show",
                      0.714285714285714,
                      "their",
                      0.857142857142857,
                      "almost",
                      1,
                    ],
    As           => ["he", 1],
    as           => ["if", 1],
    ascend       => ["into", 1],
    be           => ["transmuted", 1],
    blood        => ["circulates", 1],
    ...big snip...
    with         => ["a", 0.5, "its", 1],
    words        => ["of", 1],
    works        => ["in", 1],
  },
  "dist" => {
    "achieve|treading"         => 0.0087719298245614,
    "acquired|new"             => 0.0087719298245614,
     ...big snip...
    "words|of"                 => 0.0087719298245614,
    "works|in"                 => 0.0087719298245614,
  },
  "N" => 2,
}
./2.analyse_text.pl : done.