#include <iostream>

using namespace std;

char s[7];
int n;
int main(){
    cin>>n;
    while(n--){
        cin>>s+1;
        if((s[4]==0 && s[5]==0) || (s[1]==s[4] && s[2]==s[5]) || (s[1]==s[5] && s[2]==s[4]) || (s[2]==s[1]+1 && s[4]==s[2]+1 && s[5]==s[4]+1))
            cout<<"YES\n";
        else
            cout<<"NO\n";
    }
    return 0;
}