Letter on position 1 (d) changed: 6 words birks firks kirks lirks mirks yirks Letter on position 2 (i) changed: 2 words darks dorks Letter on position 3 (r) changed: 3 words dicks dinks disks Letter on position 4 (k) changed: 2 words dirls dirts Letter on position 5 (s) changed: 1 word dirke