Зажимаем alt, а потом цифры (на дополнительной клавиатуре).

alt + 1 = ☺ alt + 2 = ☻
alt + 3 = ♥ alt + 4 = ♦
alt + 5 = ♣ alt + 6 = ♠
alt + 7 = • alt + 8 = ◘
alt + 9 = ○ alt + 10 = ◙
alt + 11 = ♂ alt + 12 = ♀
alt + 13 = ♪ alt + 14 = ♫
alt + 15 = ☼ alt + 16 = ►
alt + 17 = ◄ alt + 18 = ↕
alt + 19 = ‼ alt + 20 = ¶
alt + 21 = § alt + 22 = ▬
alt + 23 = ↨ alt + 24 = ↑
alt + 25 = ↓ alt + 26 = →
alt + 27 = ← alt + 28 = ∟
alt + 29 = ↔ alt + 30 = ▲
alt + 31 = ▼ alt + 177 = ▒
alt + 987 = █