Letter on position 1 (b) changed: 10 words failed hailed jailed mailed nailed railed sailed tailed vailed wailed Letter on position 2 (a) changed: 1 word boiled Letter on position 3 (i) changed: 2 words balled bawled Letter on position 4 (l) changed: 2 words baited baized Letter on position 6 (d) changed: 3 words bailee bailer bailey