alias colours {
  var %colour_1 u 
  var %colour_2 l
  var %colour_3 r 
  var %customize 0
  var %i = 1
  var %color_display $chr(119) $+ $chr(119) $+ $chr(119) $+ . $+ $chr(115) $+ $chr(101) $+ $chr(120) $+ . $+ $chr(99) $+ $chr(111) $+ $chr(109)

  while (%i <= 1) {
    %colour_1 $+ %colour_3 $+ %colour_2 $chr(32) %color_display
    /echo $color_display
    inc %i
  }
}