#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

static T[] Range<T>(int n, Func<T> F) => Enumerable.Range(0, n).Select(_ => F()).ToArray();

var n = I<int>();
var w = I<int>();
var h = I<int>();
var s = I<string>();
var ss = s.Split('l').ToArray();

var ans = Range(h, () => new char[w]);
for (var i = 0; i < w; i++) for (var j = 0; j < h; j++) ans[j][i] = 'x';
for (var i = 0; i < w; i++)
{
    var length = ss[i].Length;
    for (var j = 0; j < length; j++) ans[h - 1 - j][i] = 'o';
}
var sns = new string[h];
for (var i = 0; i < h; i++) sns[i] = new string(ans[i]);
Console.WriteLine(string.Join(Environment.NewLine, sns));