Really, nearly there?

lib/is-nonsense.js

@@ -2,9 +2,11 @@
 
 var _ = require('underscore');
 
-var trigrams = require('./trigrams-data'),
-    bigrams = require('./bigrams-data'),
-    onegrams = require('./1grams-data');
+var ngrams = require('./new-ngrams.js');
+
+var trigrams = ngrams.trigrams,
+    bigrams = ngrams.bigrams,
+    onegrams = ngrams.monograms;
 
 function calculateNgramScore(string, n, regex, ngramData) {
   // abcdef

lib/make-new-ngrams.js

@@ -0,0 +1,60 @@
+'use strict';
+
+var _ = require('underscore'),
+    fs = require('fs');
+
+var string = fs.readFileSync(__dirname + '/../resources/pride-and-prejudice.txt').toString();
+
+function calculateNgrams(string, n, regex) {
+  var ngramData = {};
+  // abcdef
+  // 
+  var testString = string;
+  for (var i=0, max = string.length - n + 1; i < max; i++) {
+
+    if (testString.match(regex)) {
+      var ngram = testString.substring(0, n).toLowerCase();
+      var ngramScore = ngramData[ngram];
+
+
+      if (ngramScore === undefined) {
+        ngramScore = 1;
+      } else {
+        ngramScore ++;
+      }
+
+      ngramData[ngram] = ngramScore;
+    }
+
+    // make the test string shorter.
+    testString = testString.substring(1);
+  }
+
+  return ngramData;
+}
+
+// var monograms = calculateNgrams(string, 1, /^[a-z ]{1}/i);
+// var bigrams = calculateNgrams(string, 2, /^[a-z]{2}/i);
+// var trigrams = calculateNgrams(string, 3, /^[a-z]{3}/i);
+// console.log('module.exports = ');
+// console.log({
+//   monograms: monograms,
+//   bigrams: bigrams,
+//   trigrams: trigrams,
+// });
+// console.log(';');
+
+module.exports = function (string) {
+  var monograms = calculateNgrams(string, 1, /^[a-z ]{1}/i);
+
+  var letters = _.chain(monograms)
+    .keys()
+    .sortBy(function (letter) {
+      return monograms[letter];
+    })
+    .value();
+
+  console.log('monograms ' + monograms);
+  console.log('letters ' + letters);
+  return letters;
+}