Letter on position 1 (t) changed: 10 words cabs dabs fabs gabs jabs kabs labs nabs sabs wabs Letter on position 2 (a) changed: 1 word tubs Letter on position 3 (b) changed: 16 words tads taes tags tais taks tams tans taos taps tars tass tats taus tavs taws tays Letter on position 4 (s) changed: 2 words tabi tabu