text: # Python > Regex and Parsing > Re.findall() & Re.finditer()
  # Find all the pattern matches using the expressions re.findall() and re.finditer().
  #
  # https://www.hackerrank.com/challenges/re-findall-re-finditer/problem
  #
  
  import re
  
  found = False
  s = input()
  for i in re.findall("(?<=[^aeiou])([aeiou]{2,})[^aeiou]", s, flags=re.I):
      print(i)
      found = True
  if not found:
      print(-1)
  