原题
#include<cstdio>
#include<string.h>
#include<algorithm>
using namespace std;
int main()
{
#ifndef ONLINE_JUDGE
freopen("10098.txt","r",stdin);
#endif
int n;
scanf("%d",&n);
char s[15];
while(n--)
{
scanf("%s",s);
int len=strlen(s);
sort(s,s+len);
do
{
printf("%s\n",s);
}while(next_permutation(s,s+len));
printf("\n");
}
return 0;
}