Two perpendicular lines intersecting, such as a plus sign or X letter.

Plus Sign

A crypto coin with a capital letter B on it and two parallel lines coming out of the top and bottom of the letter.

Crypto Coin

Two handwritten B letters, an uppercase one and a lowercase one.

Two handwritten D letters, an uppercase one and a lowercase one.

Two handwritten C letters, an uppercase one and a lowercase one.

The words "them" and "they" in multicolored letters, contained in two stacked bubbles.

Two closed envelopes juxtaposed on top of each other.

Two handwritten A letters, an uppercase one and a lowercase one.

Two vertical letters standing in a mail envelope.