s = "there once was a man from nantucket"
vowels = 'aeiou'
phrase = s.split()

def procWord(word):
	cluster = False
	for i in range(len(word)):
		if word[i] in vowels and not cluster:
			return word + 'way'
		elif word[i] in vowels and cluster:
			return word[i:] + word[:i] + 'ay'
		else:
			cluster = True
	return word

out = ''
for word in phrase:
	out += procWord(word) + ' '

print(out)