Letter on position 1 (s) changed: 6 words dais kais pais rais tais wais Letter on position 2 (a) changed: 3 words seis skis sris Letter on position 3 (i) changed: 13 words sabs sacs sads sags sals sams sans saps sars sass savs saws says Letter on position 4 (s) changed: 6 words saic said sail saim sain sair