#ifdef DEBUG
#define _GLIBCXX_DEBUG
#endif
//#pragma GCC optimize("O3")
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
int n;
ll k;
const int maxN = 1e5 + 10;
int A[maxN];
int B[maxN];
void solve() {
    string s;
    cin >> s;
    int n = s.size();
    n--;
    for (int i = 1; i < s.size(); i++) {
        if (s[i] != s[i - 1]) n--;
    }
    cout << n << '\n';
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
#ifdef DEBUG
    freopen("input.txt", "r", stdin);
#endif
    int tst;
    cin >> tst;
    while (tst--) {
        solve();
    }
    return 0;
}