Letter on position 1 (c) changed: 4 words blacks flacks placks slacks Letter on position 2 (l) changed: 2 words chacks cracks Letter on position 3 (a) changed: 4 words clecks clicks clocks clucks Letter on position 4 (c) changed: 1 word clanks Letter on position 5 (k) changed: 1 word clachs