/// Author : Shohanur Rahaman
/// HackerEarth -- College Challenge 
/// PRoblem Name : Vowel (Easy)
 
#include<cstdio>
#include<cstring>
#include<cstdlib>
#include<algorithm>
#include<vector>
#include<iostream>
#include<stack>
#include<cstring>
#include<string.h>
using namespace std;
 
int main()
{
 
   char ara[1000000];
    int tc,i,j,ck=0;
 
    scanf("%d",&tc);
 
    while(tc--){
        scanf("%s",ara);
        ck=0;
 
    j=strlen(ara);
 
        for(i=0;i<j;i++){
            if(ara[i]=='a' ||  ara[i]=='e' || ara[i]=='i' || ara[i]=='o' || ara[i]=='u' ||
            ara[i]=='A' || ara[i]=='E' || ara[i]=='I' || ara[i]=='O' || ara[i]=='U'  ){
                printf("%c",ara[i]);
                ck=1;
            }
        }
        if(ck==1)
            printf("\n");
          else if(ck==0)
            printf("No\n");
 
    }
 
    return 0;
}