Oh dear
@PearlBut the cut down large squares are 4.5ins so you may be able to do it, I'm sure you can try.
I've had cutting wars as well, my long ruler has decided to slippy slide despite the stickers so some of the strip were not wide enough.
I have 2 completed blocks now and enough bits and pieces to do the other 3 provided the rest of the sizes ar accurate.
I have used some of the red bought for Capt America so can't really afford to have to re-cut.
I do know the solution is to purchase a new 24ins riuler but think I have spent enough for now.