An emoticon of a smiling face is composed of the crossword solutions SMILEY (6 letters), COLON (5 letters), EYES (4 letters), and EMAIL (5 letters). An emoticon is a combination of punctuation marks, letters, and symbols used to create a facial expression in text-based communication. The most common emoticon of a smiling face is created by combining a COLON, an open parenthesis, a capital letter 'E' for eyes, a lowercase letter 'm' for mouth, and a closed parenthesis. This emoticon is often used to express happiness or joy in emails, text messages, and other forms of digital communication.