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 Acute intestinal disease 2 Ancient Greek prophet 3 Reef material

4 Solid fuel

5 Mountain pass

6 Thicken, congeal

7 Cuff, wallop

8 Swarming African insect 9 Ask advice from