Letter on position 1 (p) changed: 6 words dais kais rais sais tais wais Letter on position 2 (a) changed: 3 words phis pois psis Letter on position 3 (i) changed: 13 words pacs pads pahs pals pams pans paps pars pass pats pavs paws pays Letter on position 4 (s) changed: 5 words paid paik pail pain pair