import collections
 
 
def yoba(c, s, path=()):
 
    if not s:
 
        yield path
 
    if isinstance(c, str):
 
        c = collections.Counter(str.split(c))
 
    for word in sorted(c, key=len, reverse=True):
 
        head, tail = s[:len(word)], s[len(word):]
        if sorted(word) == sorted(head):
 
            for res in yoba(c - collections.Counter(**{word: 1}), tail, path + ((word, head),)):
 
            	yield res
 
 
a, b = input(), input()
print("\n".join(map(" ".join, zip(*next(yoba(a, b))))))
 

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