code: function getCleanTrigramsAsDictionary(value) {
    var trigrams = getCleanTrigrams(value)
    var index = trigrams.length
    var dictionary = {}
    var trigram
  
    while (index--) {
      trigram = trigrams[index]
  
      if (has.call(dictionary, trigram)) {
        dictionary[trigram]++
      } else {
        dictionary[trigram] = 1
      }
    }
  
    return dictionary
  }
docs: /* Get an `Object` with trigrams as its attributes, and
  their occurence count as their values.