If it is all possibilities of 12 beats and below, then presumably it includes a measure + a partial measure of even 7, 9, 10 and 11-beat measures. But for an e

If it is all possibilities of 12 beats and below, then presumably it includes a measure + a partial measure of even 7, 9, 10 and 11-beat measures. But for an example: "Turn it on again" by Genesis is a 13-beat verse. The chorus I think is maybe in 4. You could turn to King Crimson for longer beats.