public class Racecar {

public static void main (String[] args) {

char[] word = {'r','a','c','e','c','a','r'};

for (int i = 0; i < 4; i++) {
for (int j = i; j < word.length - i; j++) {
    System.out.print(word[j]);
}
    System.out.println("");
}