How to make hearts with the keyboard

How to display hearts with the keyboard, not a simple heart with <3, another one prettier ? The hearst is a special character like the clover, the tile, the spade, the sun, and the note of music. Or foreign alphabet letters, and typographic signs.

So you have to use the one of the shortcut to insert character like a drawing or a picture.

To do so, make Alt + 3.