#include<bits/stdc++.h> using namespace std; char ch[100001]; int T; inline int cal(){ int sum=0; char str[]="luvletter"; for(int i=0,k=0;i<(int)strlen(ch);++i){ if(str[k]==ch[i])++k; if(k==9)++sum,k=0; } return sum; } int main(){ scanf("%d%*c",&T); while(T--){ gets(ch); printf("%d\n",cal()); } }