package test_2

object test {
  val data = List(List("my"), List("sane", "Sean"))
                                                  //> data  : List[List[String]] = List(List(my), List(sane, Sean))
  val l1 = data(0)                                //> l1  : List[String] = List(my)
  val l2 = data(1)                                //> l2  : List[String] = List(sane, Sean)

  val regrouped =
    for {
      a1 <- l1;
      a2 <- l2
    } yield List(a1, a2)                          //> regrouped  : List[List[String]] = List(List(my, sane), List(my, Sean))

  for (a <- regrouped) yield a.permutations toList//> res0: List[List[List[String]]] = List(List(List(my, sane), List(sane, my)),
                                                  //| List(List(my, Sean), List(Sean, my)))
}