keywords generate from sentance

gistfile1.txt

var message = 'a quick brown fox jumps over the lazy dog'

const splited = _.split(message, ' ')
var keywords = []
_.forEach(splited, (item, index) => {
  for(var i = 0; i < splited.length ; i++) {
    var data = _.take(splited, i + 1)
    data = _.join(data, ' ')
    keywords.push(data)
    console.log(data)
  }
  splited.shift()
})

console.log(keywords.length)