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#include <map>
#include <set>
#include <cmath>
#include <ctime>
#include <deque>
#include <queue>
#include <stack>
#include <vector>
#include <cstdio>
#include <string>
#include <cstdlib>
#include <cstring>
#include <iostream>
#include <algorithm>
using namespace std;
#define X first
#define Y second
#define pb push_back
#define mp make_pair
#define all(a) (a).begin(), (a).end()
#define fillchar(a, x) memset(a, x, sizeof(a))
#define copy(a, b) memcpy(a, b, sizeof(a))
typedef long long ll;
typedef pair<int, int> pii;
typedef unsigned long long ull;
#ifndef ONLINE_JUDGE
void RI(vector<int>&a,int n){a.resize(n);for(int i=;i<n;i++)scanf("%d",&a[i]);}
void RI(){}void RI(int&X){scanf("%d",&X);}template<typename...R>
void RI(int&f,R&...r){RI(f);RI(r...);}void RI(int*p,int*q){int d=p<q?:-;
while(p!=q){scanf("%d",p);p+=d;}}void print(){cout<<endl;}template<typename T>
void print(const T t){cout<<t<<endl;}template<typename F,typename...R>
void print(const F f,const R...r){cout<<f<<", ";print(r...);}template<typename T>
void print(T*p, T*q){int d=p<q?:-;while(p!=q){cout<<*p<<", ";p+=d;}cout<<endl;}
#endif
template<typename T>bool umax(T&a, const T&b){return b<=a?false:(a=b,true);}
template<typename T>bool umin(T&a, const T&b){return b>=a?false:(a=b,true);}
template<typename T>
void V2A(T a[],const vector<T>&b){for(int i=;i<b.size();i++)a[i]=b[i];}
template<typename T>
void A2V(vector<T>&a,const T b[]){for(int i=;i<a.size();i++)a[i]=b[i];}
const double PI = acos(-1.0);
const int INF = 1e9 + ;
/* -------------------------------------------------------------------------------- */
char s[];
int n, dp[ << ];
void init() {
for (int i = ; i < ( << n); i ++) dp[i] = INF;
dp[] = ;
for (int i = ; i < ( << n); i ++) {
int j, k;
for (j = n - ; j >= ; j --) {
if (i & ( << j)) break;
}
for (k = ; k < n; k ++) {
if (i & ( << k)) break;
}
if (s[j] == s[k] && dp[i ^ ( << j) ^ ( << k)] < INF)
dp[i] = dp[i ^ ( << j) ^ ( << k)];
if (j == k) dp[i] = ;
}
}
int main() {
#ifndef ONLINE_JUDGE
freopen("in.txt", "r", stdin);
//freopen("out.txt", "w", stdout);
#endif // ONLINE_JUDGE
int T;
cin >> T;
while (T --) {
scanf("%s", s);
n = strlen(s);
init();
for (int i = ; i < ( << n); i ++) {
for (int j = i; j; j = (j - ) & i) {
umin(dp[i], dp[i ^ j] + dp[j]);
}
}
cout << dp[( << n) - ] << endl;
}
return ;
}
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