Set 1: ←↑→↓↔↕
Set 2: ♩♪♫♬♭♮
Set 3: ∑√∞∫≈≠
Set 4: ▢◯△▱▰◐◑
Set 5: ▄▅▆▇█▁▂▃
Set 6: ☀☁☂☃❄⚡
Set 7: ☯☮✡✝✞✝
Set 8: ⌨⌛✉⌕⏻⏯
Set 9: ░▒▓█│║═╬
Set 10: ▲▼◆◇○●
Set 11: ✾❁✿❀❃
Set 12: ♔♕♖♗♘♙
Set 13: ♈♉♊♋♌♍
Set 14: ♠♣♥♦
Set 15: ①②③④⑤
Set 16: ★☆✧✦✩✪
Set 17: ✿❀❃❁❂
