15-1
import re
pattern = re.compile('([bh][aui]t )+')
match = re.match(pattern, 'bat bit but hat hit hut ')
print match.group()import re
pattern = re.compile('([b15-1
import re
pattern = re.compile('([bh][aui]t )+')
match = re.match(pattern, 'bat bit but hat hit hut ')
print match.group()import re
pattern = re.compile('([b