docs: function lexPhrase(req, res) {
          var now    = elapse.start();
          var body   = req ? req.body : null;
          var phrase = typeof(body) === 'object' ? body.phrase : null;
          if (!phrase) {
              return res.jsonp(412, {"code":412, "message": meta.module + '|lex|EXCEPTION|invalid request body: ' + (body === null ? 'body is null' : 'phrase is null')});
          }
          body.words = api.lex(phrase);
          body.elapsedMs = elapse.stop(now).elapsed;
          res.jsonp(body);
      }