#include<cstdio>

#include<cstring>

using namespace std;

int n;

char s[100001],table[]="luvletter";

int main()

{

	scanf("%d",&n); getchar();

	for(;n;--n)

	  {

	  	gets(s);

	  	int m=strlen(s),ans=0,p=0;

	  	for(int i=0;i<m;++i)

	  	  if(s[i]==table[p])

			{

			  if(p==8) ++ans;

			  p=(p+1)%9;

			}

		printf("%d\n",ans);

	  }

	return 0;

}