I put this in an earlier thread, but the Title of the thread might be too subtle and sophisticated for some folks to bother opening it up, so here it is straight out!
"Sunny" no longer working as a free shipping code over at CI
"SUMMER" did work, free shipping.
Discovered it just by typing in a number of likely key words, like sunshine, heatwave, freeship, COVIDSUCKS, etc. and SUMMER worked!