package main

import . "fmt"
import . "strings"

func main() {
	var n,w,h int
	var s string
	Scan(&n,&w,&h,&s)
	f := make([][]byte, h)
	for i := range f {
		f[i] = []byte(Repeat("x", w))
	}
	for i, t := range Split(s, "l")  {
		for j := 0; j < len(t); j++ {
			f[h-1-j][i] = 'o'
		}
	}
	for _, line := range f {
		Println(string(line))
	}
}