import Data.List

main = fmap lines getContents >>= \[predmeti,birki] -> let
	(predmeti',birki') = unzip $ head $ soljushen (words predmeti) birki
	in mapM_ (putStrLn . unwords) [predmeti',birki']
	
soljushen [] [] = [[]]
soljushen predmeti birki = [(birka,predmet):solushn | 
	(levo,predmet:pravo) <- zip (inits predmeti) (tails predmeti),
	let birka = zipWith const birki predmet,
	sort predmet == sort birka,
	solushn <- soljushen (levo++pravo) (birki\\birka)]

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

YWJhYiBhYiBhYiBhYiBhYiBhYiBhYiBhYiBhYiBhYiBhYiBhYgphYmFiYWJhYmFiYWJhYmFiYWJhYmFiYWFiYgo=

abab ab ab ab ab ab ab ab ab ab ab ab
abababababababababababaabb