Letter on position 1 (s) changed: 7 words bhat chat ghat khat phat that what Letter on position 2 (h) changed: 7 words scat seat skat slat spat stat swat Letter on position 3 (a) changed: 4 words shet shit shot shut Letter on position 4 (t) changed: 7 words shad shag shah sham shan shaw shay