for (y = 1; y <= Bottom; y++) {
  for (x = 1; x <= Right; x++) {
    if ([x,y] == "あいうえお") {
      [x,y] = "かきくけこ";
    } else if ([x,y] == "さしすせそ") {
      [x,y] = "たちつてと";
    } else if ([x,y] == "なにぬねの") {
      [x,y] = "はひふへほ";
    }
  }
}

SetColWidth(10);
AdjustColWidth(43);
AdjustColWidth(44);