import re
I=input
for _ in[0]*int(I()):print((re.sub('(a+)(b+)(c+)',r'\1\3\2',s:=''.join(sorted(I()))),s)[I()>'ac'])1399A - Remove Smallest | 208A - Dubstep |
1581A - CQXYM Count Permutations | 337A - Puzzles |
495A - Digital Counter | 796A - Buying A House |
67A - Partial Teacher | 116A - Tram |
1472B - Fair Division | 1281C - Cut and Paste |
141A - Amusing Joke | 112A - Petya and Strings |
677A - Vanya and Fence | 1621A - Stable Arrangement of Rooks |
472A - Design Tutorial Learn from Math | 1368A - C+= |
450A - Jzzhu and Children | 546A - Soldier and Bananas |
32B - Borze | 1651B - Prove Him Wrong |
381A - Sereja and Dima | 41A - Translation |
1559A - Mocha and Math | 832A - Sasha and Sticks |
292B - Network Topology | 1339A - Filling Diamonds |
910A - The Way to Home | 617A - Elephant |
48A - Rock-paper-scissors | 294A - Shaass and Oskols |