How to Insert Symbol Using Keyboard?

Insert Symbol Using Keyboard--

ALT + 1 = ☺
ALT + 2 = ☻
ALT + 3 = ♥
ALT + 4 = ♦
ALT + 5 = ♣
ALT + 6 = ♠
ALT + 7 = •ALT + 8 = ◘ALT + 9 = ○