Letter on position 1 (t) changed: 9 words bitter fitter hitter jitter litter pitter ritter sitter witter Letter on position 2 (i) changed: 3 words tatter tetter totter Letter on position 3 (t) changed: 2 words tilter tinter Letter on position 4 (t) changed: 3 words titfer tither titler Letter on position 6 (r) changed: 1 word titted