#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define     CUVINTE     100
#define     LUNGIME     20

void ordoneaza(char **s, int n)
{
    int i, j;
    char aux[LUNGIME];

    for (i = 0; i < n-1; i++)
    {
        for (j = i+1; j < n; j++)
        {
            if (strcmp(s[i], s[j]) > 0)
            {
                strcpy(aux, s[i]);
                strcpy(s[i], s[j]);
                strcpy(s[j], aux);
            }
        }
    }
}

int main(void)
{
    char **s, *p, aux[100];
    int i, k = 0;

    s = (char **) malloc(CUVINTE * sizeof(char *));

    if (!s)
        exit(1);

    for (i = 0; i < CUVINTE; i++)
    {
        s[i] = (char *) malloc(LUNGIME * sizeof(char));

        if (!s[i])
        {
            free(s);
            exit(1);
        }
    }

    fgets(aux, 100, stdin);

    while (aux[0] != '\n')
    {
        p = strtok(aux, " \n");

        while (p)
        {
            strcpy(s[k], p);
            k ++;

            p = strtok(NULL, " \n");
        }

        fgets(aux, 100, stdin);
    }

    for (i = 0; i < k; i++)
    {
        if (strchr("aeiouAEIOU", s[i][0]) && !strchr("aeiouAEIOU", s[i][strlen(s[i]) - 1]))
            printf("%s\n", s[i]);
    }

    ordoneaza(s, k);

    for (i = 0; i < k; i++)
        printf("%s\n", s[i]);

    return 0;
}