#
import re
text = "Obviously, the queen is courageous and gracious."
pattern = r"\b(?=[a-z]*[aeiou]{3})[a-z]+\b"
result = re.findall(pattern, text, re.I)
print(result)
IwppbXBvcnQgcmUKCnRleHQgPSAiT2J2aW91c2x5LCB0aGUgcXVlZW4gaXMgY291cmFnZW91cyBhbmQgZ3JhY2lvdXMuIgpwYXR0ZXJuID0gciJcYig/PVthLXpdKlthZWlvdV17M30pW2Etel0rXGIiCnJlc3VsdCA9IHJlLmZpbmRhbGwocGF0dGVybiwgdGV4dCwgcmUuSSkKcHJpbnQocmVzdWx0KQ==