#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;}