The asterisk is used to mark reconstructed PIE words , such as \* wÃ drÌ ` water ' , \* á wá `` n ` dog ' , or \* trÃ yes ` three ( masculine ) ' . An asterisk is used to mark reconstructed PIE words , such as \* wÃ drÌ ` water ' , \* á wá `` n ` dog ' ( English hound ) , or \* trÃ yes ` three ( masculine ) ' .