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import java.util.Scanner;
public class SubsetWord
{

    public static void main(String[] args)
    {
        String wd="";
        String arr[];
        int temp=0,len=0,i=0,j=0;
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter a word");

        wd =sc.next();
        len = wd.length();
        temp = 0;
        /*Total possible subsets for string of size len is len*(len+1)/2  */
        arr = new String[len*(len+1)/2];


        for(i = 0; i < len; i++)
        {
            /*loop adds the next character every iteration for the subset to form and add it to the array */
            for(j = i; j < len; j++)
            {
                arr[temp] = str.substring(i, j+1);
                temp++;
            }
        }

        /*prints all the subsets  from the variable 'arr'*/
        System.out.println("subsets for "+wd+ " are: ");
        for(int i = 0; i < arr.length; i++) {
            System.out.println(arr[i]);
        }
    }


}