Fast Sort
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## Basic Programming, Brute-force search, Greedy Algorithms, Sorting

Problem
Editorial
Analytics

From the childhood we are taught that a comes before b then b comes before c and so on.So whenever we try to sort any given string we sort it in that manner only placing a before b and so on.But what happens if we initially change the pattern of sorting .This question arrived in Arav's young mind. He thought what would the final string be like if z comes before a and a comes after c and so on. He got really puzzled in finding out the final sorted string.So he asks you for help.

He gives you two strings.One the pattern string P which decides the order of alphabets and the second that is the final string F which needs to be sorted. Help him by telling him the final sorted string.

Input:

The first line contains T denoting the number of test cases.Each test case consists of two lines.The first line contains the pattern string P indicating the relative ordering of alphabets and the second line contains the final string F to be sorted.

Output:

Print T lines where each line contains the sorted string.

Constraints:

$1 \le T \le 10$

$|P| = 26$

$1 \le |F| \le 10$5

Both the string consists only of characters 'a'-'z'.

SAMPLE INPUT
2
wcyuogmlrdfphitxjakqvzbnes
jcdokai
miruqopsxthzdcnvkfbglwayje
wgfsyvno

SAMPLE OUTPUT
codijak
osnvfgwy

Time Limit: 3.0 sec(s) for each input file.
Memory Limit: 256 MB
Source Limit: 1024 KB

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