Letter on position 1 (t) changed: 12 words bops cops dops fops hops kops lops mops oops pops sops wops Letter on position 2 (o) changed: 3 words taps tips tups Letter on position 3 (p) changed: 11 words tocs tods toes togs toms tons tors toss tots tows toys Letter on position 4 (s) changed: 4 words tope toph topi topo