Letter on position 1 (p) changed: 6 words aals bals dals gals mals sals Letter on position 2 (a) changed: 2 words pols puls Letter on position 3 (l) changed: 13 words pacs pads pahs pais pams pans paps pars pass pats pavs paws pays Letter on position 4 (s) changed: 5 words pale pall palm palp paly