Letter on position 1 (d) changed: 13 words bams cams gams hams jams lams mams nams pams rams sams tams yams Letter on position 2 (a) changed: 2 words dims doms Letter on position 3 (m) changed: 12 words dabs dads daes dags dahs dais daks dals dans daps daws days Letter on position 4 (s) changed: 3 words dame damn damp