import re
print(re.findall(r'[^aiueo]([aiueoAIUEO]{2,})(?=[^aiueo])', 'moomoom'))
print(re.findall(r'[^aiueo]([aiueoAIUEO]{2,})[^aiueo]', 'moomoom'))
aW1wb3J0IHJlCnByaW50KHJlLmZpbmRhbGwocidbXmFpdWVvXShbYWl1ZW9BSVVFT117Mix9KSg/PVteYWl1ZW9dKScsICdtb29tb29tJykpCnByaW50KHJlLmZpbmRhbGwocidbXmFpdWVvXShbYWl1ZW9BSVVFT117Mix9KVteYWl1ZW9dJywgJ21vb21vb20nKSk=