./714799.pl -t
opt $VAR1 = {
          't' => undef
        };
neither -t or -s used

##</code><code>##

./714799.pl -s -t
opt $VAR1 = {
          's' => '-t'
        };
either -t or -s used

##</code><code>##

./714799.pl -a -b
opt $VAR1 = {
          'a' => 1,
          'b' => 1
        };
neither -t or -s used

##</code><code>##

./714799.pl -a -b -c -d -e -f -g -h -i -j -k -l -m -n -o -p -q -r -s -t -u -v -w -x -y -z
opt $VAR1 = {
          'w' => 1,
          'r' => 1,
          'a' => 1,
          'x' => 1,
          'd' => 1,
          'j' => 1,
          'y' => 1,
          'u' => 1,
          'k' => 1,
          'h' => 1,
          'g' => 1,
          'f' => 1,
          'i' => 1,
          'e' => 1,
          'n' => 1,
          'v' => 1,
          'm' => 1,
          's' => '-t',
          'l' => 1,
          'c' => 1,
          'p' => 1,
          'q' => 1,
          'b' => 1,
          'z' => 1,
          'o' => 1
        };
either -t or -s used

##</code><code>##

./714799.pl -a -b -c -d -e -f -g -h -i -j -k -l -m -n -o -p -q -r -s -u -t -v -w -x -y -z
opt $VAR1 = {
          'w' => 1,
          'r' => 1,
          'a' => 1,
          'x' => 1,
          'd' => 1,
          'j' => 1,
          'y' => 1,
          'k' => 1,
          'h' => 1,
          'g' => 1,
          'f' => 1,
          't' => '-v',
          'i' => 1,
          'e' => 1,
          'n' => 1,
          'm' => 1,
          's' => '-u',
          'l' => 1,
          'c' => 1,
          'p' => 1,
          'q' => 1,
          'b' => 1,
          'z' => 1,
          'o' => 1
        };
either -t or -s used