array(11) {
  [0]=>
  string(3) "ដ"
  [1]=>
  string(3) "ៃ"
  [2]=>
  string(3) "ល"
  [3]=>
  string(3) "គ"
  [5]=>
  string(3) "ង"
  [7]=>
  string(3) "់"
  [8]=>
  string(3) "ជ"
  [9]=>
  string(3) "ិ"
  [10]=>
  string(3) "ត"
  [11]=>
  string(3) "ប"
  [13]=>
  string(3) "ង"
}
15 == ង == ក