include<bits/stdc++.h>

define ll long long

using namespace std;
string s;
ll n;
ll kt(ll l, ll r)
{
while (s[l]==s[r]&&l>=0&&r<n) { l--; r++; } return r - l - 1; } ll e=0,m; int main() { freopen("EVENPAL.INP", "r", stdin); freopen("EVENPAL.OUT", "w", stdout); cin >> m;
while(m--)
{
cin>>s;
ll d = 1;
e=0;
n=s.size();
for (ll i = 1; i <n; i++)
if (s[i-1]==s[i])
{
d = max(d, kt(i - 1, i));
if(d%2==0)
{
e=1;
cout<<"YES"<<endl;
break;
}
}

    if(e!=1)
for (ll i = 2; i <n; i++)
    if (s[i-2]==s[i])
    {
        d = max(d, kt(i - 2, i));
        if(d%2==0)
        {
            e=1;
            cout<<"YES"<<endl;
           break;
        }
    }
   if(e==0) cout<<"NO"<<endl;}

}