Letter on position 1 (r) changed: 5 words cubes jubes lubes pubes tubes Letter on position 2 (u) changed: 2 words ribes robes Letter on position 3 (b) changed: 5 words rudes rules rumes runes ruses Letter on position 4 (e) changed: 1 word rubus Letter on position 5 (s) changed: 1 word rubel