import re 

S = input()
a=map(lambda x: x.group(),re.finditer(r'(?<=[qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM])([A,E,I,O,U,a,e,i,o,u]{2,})(?=[qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM])',S))
q=list(a)
k=bool(q)
if k==False:
    print('-1')
else:
    for t in q:
        print(t)

import sys, re

VOWELS, CONSONANTS = "aeiou", "qwrtypsdfghjklzxcvbnm"
S = sys.stdin.read()

match_iter = re.finditer(rf"(?<=[{CONSONANTS}])[{VOWELS}][{VOWELS}]+(?=[{CONSONANTS}])", S, flags=re.I)
first_match = next(match_iter, None)

#Check if iterator is empty
if first_match: 
    print(first_match.group())
    for match in match_iter:
        print(match.group(), sep='\n')
else:
    print('-1')

import re

pattern = r'(?<=[qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM])([aeiouAEIOU]{2,})(?=[qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM])'
results = list(re.finditer(pattern, input()))
print(*[x.group(1) for x in results] if results else [-1], sep="\n")

import re

s = input()
vowels = "aeiouAEIOU"
consonants = "qwrtypsdfghjklzxcvbnmQWRTYPSDFGHJKLZXCVBNM"

pattern = r'(?<=['+consonants+'])(['+vowels+']{2,})(?=['+consonants+'])'

matches = re.findall(pattern, s)

if matches:
    for match in matches:
        print(match)
else:
    print(-1)

import re

pattern = r'(?<=[^aeiouAEIOU])([aeiouAEIOU]{2,})(?=[^aeiouAEIOU])'

s = input()

matches = re.findall(pattern, s)

if matches:
    for match in matches:
        print(match)
else:
    print(-1)