Letter on position 1 (b) changed: 2 words nubbles rubbles Letter on position 2 (u) changed: 3 words babbles bibbles bobbles Letter on position 3 (b) changed: 2 words bumbles burbles Letter on position 4 (b) changed: 1 word bubales Letter on position 5 (l) changed: 1 word bubbies Letter on position 7 (s) changed: 2 words bubbled bubbler