Software like LCWO.net or CW_Player can provide random text or files for you to send along with.
To create text for a CW (Continuous Wave) key, you generally need that helps build muscle memory and rhythm. Depending on your goals, here are three types of text you can use. 1. Beginner Character Groups CW Key (Read the text below)
Set your character speed high (e.g., 18-20 wpm) but add long gaps between characters to slow the overall speed down to 5 wpm. This prevents you from "counting" dots and dashes. Software like LCWO
(Reporting a signal as "599" and breaking back to the other person). CW Key (Read the text below)