#define _CRT_SECURE_NO_WARNINGS
#define _SILENCE_CXX17_C_HEADER_DEPRECATION_WARNING
#include <bits/stdc++.h>
using namespace std;
char s[150], s2[150];
int cnt[255];
int main()
{
    int n;
    scanf("%d", &n);
    while (n--)
    {
        scanf("%s", s);
        int len = strlen(s);
        memset(cnt, 0, sizeof cnt);
        for (int i = 0; i < len; i++) cnt[s[i]]++;
        bool flag = true;
        int cc = 0;
        for (char ch = 'a'; ch <= 'z'; ch += 2)
            while (cnt[ch]--) s2[cc++] = ch;
        for (char ch = 'b'; ch <= 'z'; ch += 2)
            while (cnt[ch]--) s2[cc++] = ch;
        s2[len] = 0;
        for (int i = 1; i < len; i++)
            if (abs(s2[i] - s2[i - 1]) == 1)
                flag = false;
        if (flag)
            puts(s2);
        else
        {
            memset(cnt, 0, sizeof cnt);
            for (int i = 0; i < len; i++) cnt[s[i]]++;
            flag = true;
            cc = 0;
            for (char ch = 'b'; ch <= 'z'; ch += 2)
                while (cnt[ch]--) s2[cc++] = ch;
            for (char ch = 'a'; ch <= 'z'; ch += 2)
                while (cnt[ch]--) s2[cc++] = ch;
            s2[len] = 0;
            for (int i = 1; i < len; i++)
                if (abs(s2[i] - s2[i - 1]) == 1)
                    flag = false;
            if (flag)
                puts(s2);
            else
                puts("No answer");
        }
    }
    return 0;
}