import searchphrase
def searchphrasebyinput(phrase:str) -> str:
    return phrase + 'received'
def search4vowels(phrase: str) -> set:
   """Returns the set of vowels found in 'phrase'."""
   return set('aeiou').intersection(set(phrase))
def search4letters(phrase: str, letters: str='aeiou') -> set:
  """Returns the set of 'letters' found in 'phrase'."""
  return set(letters).intersection(set(phrase))
