binary => [qw{. ⚋ ⚊ . ⚐ ⚑ . ☺ ☹ . ✓ ✗ . ✔ ✘ . ◄ ► }], # opposites
currency => [qw{. ¤ ¢ ₥ € £ ₨ $ ¥ . ฿ ₫ ₭ ₦ ₱ ₮ ₩ ₪}],
cards => [qw{. ♠ ♡ ♢ ♣ . ♤ ♥ ♦ ♧}],
binary => [qw{. ⚋ ⚊ . ⚐ ⚑ . ☺ ☹ . ✓ ✗ . ✔ ✘ . ◄ ► }], # opposites
currency => [qw{. ¤ ¢ ₥ € £ ₨ $ ¥ . ฿ ₫ ₭ ₦ ₱ ₮ ₩ ₪}],
cards => [qw{. ♠ ♡ ♢ ♣ . ♤ ♥ ♦ ♧}],