Letter on position 1 (a) changed: 2 words oles ules Letter on position 2 (l) changed: 11 words aces ages akes anes apes ares ates aves awes axes ayes Letter on position 3 (e) changed: 7 words alas albs alfs alls alms alps alts Letter on position 4 (s) changed: 4 words alec alee alef alew