Brickwork

Enter the solutions to the clues in their numbered layers of the wall. Each word must be an anagram of its neighbours, plus or minus one letter.

1 Contradict, deny 2 Proverb, adage 3 Profits 4 Suggestion, indication 5 Iniquity 6 Pinches 7 Backbone 8 Upper part of the foot 9 Fragment, extract