func_code_string: #include<bits/stdc++.h>   using namespace std;   int main(){       int t;       cin>>t;              while(t--){       string s;       cin>>s;              int n = s.length();              int i=0,j = n-1,k = n-1;       char z =  a ;              while(k>=0){           if(s[i] == z+k)           i++;           else if(s[j] == z+k)           j--;           else           break;                      k--;       }              if(k == -1)       cout<< YES <<endl;       else       cout<< NO <<endl;              }       return 0;   }