Generates a meaning for the specified acronym.

    Syntax: {command} <acronym>

def cmd(send, msg, _):
    """Generates a meaning for the specified acronym.

    Syntax: {command} <acronym>

    """
    if not msg:
        send("What acronym?")
        return
    words = get_list()
    letters = [c for c in msg.lower() if c in string.ascii_lowercase]
    output = " ".join([choice(words[c]) for c in letters])
    if output:
        send('%s: %s' % (msg, output.title()))
    else:
        send("No acronym found for %s" % msg)