ARGH! I've seen two code for dots on machine. Have tried several things but so far nothing interesting happens. Have
Edit: book - 5 dots by 7 dots .. or 4 squares by 6 squares. IF you put a colored square above or below each line drawn between dots, it doesn't fit. I'm so confused!
Tried several 5 letter words that seemed likely. Of course, none worked.
I'm just plain stuck. time for a porch break.
That didn't help. I'll check back later to see if there is a clue.