#include<iostream>
using namespace std;
int main()
{
	int n,i,a[13],j,k,l,m,p;
	cin>>n;
	while(n)
	{
		for(i=1;i<=n;i++)
			cin>>a[i];
		for(i=1;i<=n-5;i++)
			for(j=i+1;j<=n-4;j++)
				for(k=j+1;k<=n-3;k++)
					for(l=k+1;l<=n-2;l++)
						for(m=l+1;m<=n-1;m++)
							for(p=m+1;p<=n;p++)
								cout<<a[i]<<" "<<a[j]<<" "<<a[k]<<" "<<a[l]<<" "<<a[m]<<" "<<a[p]<<endl;
	cin>>n;
	}
}