binary => [qw{. ⚋ ⚊ . ⚐ ⚑ . ☺ ☹ . ✓ ✗ . ✔ ✘ . ◄ ► }], # opposites
currency => [qw{. ¤ ¢ ₥ € £ ₨ $ ¥ . ฿ ₫ ₭ ₦ ₱ ₮ ₩ ₪}],
cards => [qw{. ♠ ♡ ♢ ♣ . ♤ ♥ ♦ ♧}],
+ chess => [qw{. ♙ ♘ ♗ ♖ ♕ ♔ . ♟ ♞ ♝ ♜ ♛ ♚ }],
signs1 => [qw{. ☮ ☯ ☻ ♪ ♲ ♿ }],
signs2 => [qw{. ⚠ ☡ ☠}],
communic => [qw{. ✂ ✉ ℻ ☎ ☏ . 🔞 🔾 🔰 🔮 🕀 }],