Letter on position 1 (s) changed: 4 words blats clats flats plats Letter on position 2 (l) changed: 6 words scats seats skats spats stats swats Letter on position 3 (a) changed: 3 words slits slots sluts Letter on position 4 (t) changed: 7 words slabs slaes slags slams slaps slaws slays Letter on position 5 (s) changed: 2 words slate slaty