#include<bits/stdc++.h>
using namespace std;
#define int             long long
#define pb              push_back
#define endl            '\n'
#define debug           cout<<"HERE"<<endl;
#define ff              first
#define ss              second
void edm()
{
    ios::sync_with_stdio(false);cin.tie(nullptr);cout.tie(nullptr);
    #ifndef ONLINE_JUDGE
    freopen("input.txt","r",stdin);
    freopen("output.txt","w",stdout);
    #endif
}
void solve()
{
    string s;cin>>s;
    map<int,int>mp;
    for(auto i:s)
    {
        mp[i-'a']++;
    }
    string ss = "";
    int prev=-1;
    for(int i=0;i<s.size();i++)
    {
        for(int j=0;j<26;j++)
        {
            int is=1;
            if(mp[j] && j!=prev)
            {
                int now = ss.size() + 1;
                int baki = s.size() - now;
                int mx = (baki+1)/2;
                for(int k=0;k<26;k++)
                {
                    if(j==k)continue;
                    if(mp[k]==0)continue;
                    // cout<<k<<" "<<mp[k]<<" "<<mx<<endl;
                    if(mp[k]>mx)
                    {
                        // debug;
                        is=0;
                        break;
                    }
                }
                if(is)
                {
                    char c = 'a' + j;
                    prev = j;
                    ss+=c;
                    mp[j]--;
                }
            }
        }
        // cout<<prev<<endl;
    }
    // cout<<ss<<endl;
    if(ss.size()!=s.size())
    {
        cout<<-1<<endl;
        return;
    }
    for(int i=0;i<ss.size()-1;i++)
    {
        if(ss[i]==ss[i+1])
        {
            cout<<-1<<endl;
            return;
        }
    }
    cout<<ss<<endl;
}
signed main()
{
    //edm();
    int t = 1;
    cin>>t;
    for(int i=1;i<=t;i++)
    {
        ///cout<<"Case "<<i<<": ";
        solve();
    }
}