#include <iostream>
#include <string.h>
using namespace std;
char s1[250], s2[250], v[]="aeiou";
int i, j, slen, k;

int main()
{
    cin.get(s1, 250);
    for(i=0;i<strlen(v);i++)
    {
        slen = strlen(s1);
        strcpy(s2, s1);
        for(j=0;j<=slen;j++)
        {
            if(s2[j] == v[i])
            {
                for(k=j;k<=slen;k++)
                {
                    s2[k] = s2[k+1];
                }
                j++;
                slen--;
            }
        }
        if(strcmp(s1,s2)<0)
            cout<<s2<<endl;
    }
    return 0;
}



#include <iostream>
#include <string.h>
using namespace std;
char c1, c2, s[250];
int i;
int main()
{
    cout<<"c1: ";cin>>c1;
    cout<<"c2: ";cin>>c2;
    cout<<"s: ";cin.get(s, 250,'x');
    cout<<s;
    for(i=1;i<strlen(s);i++)
    {
        if(s[i] == c1)
        {
            s[i] = c2;
        }
        else
            if(s[i] == c2)
            {
                s[i] = c1;
            }
    }
    cout<<s;
    return 0;
}