give <& .
unless @ , * , . , &> * !! ;

give @ &>
unless * , . , <& 
     , @ <& * , @ * !! , @ &> !! 
     , &> , * &> !! ;

give * &>
unless @ , * , . , &> * * , &> . !! , &> * . ;

give * *
unless * * * , * * . , * . !! , . 
     , <& , * <& !! , * * <& !!
     , @ , &> , * &> !! ,  * * &>
     ;

give *
unless * * , * . , . 
     , * <& !! , <& , @ , &> 
     , * &> ;

give . 
unless * , <& , @ , &> ;

give <& *
unless <& 
      , * <& * , * <& . , &> 
      , @ ;


have @ * * * * <& . ;