I know using the CSW2019 is known (0.572% (or 1 in 175)), but that has many strange words in it. This is regarding the first word of the game covering the center square of course. How many of the 3,199,724 racks are there with no playable word? I’m thinking the overall probability (out of 16,007,560,800) is near 1.000% or 1 in a 100.