Letter on position 1 (d) changed: 13 words bark cark hark jark kark lark mark nark park rark sark wark yark Letter on position 2 (a) changed: 2 words dirk dork Letter on position 3 (r) changed: 3 words dack dank dawk Letter on position 4 (k) changed: 6 words darb dare darg dari darn dart