LIAM GUILAR likes a radical reimagining of a venerable Welsh work Isolated in Aber Cuawg Harry Gilonis, Oystercatcher Press, 2020, 19 pages ‘Claf Abercuawg’ is a Welsh poem composed perhaps in the ninth century. Claf, as a noun, means a sick person, a patient or a leper . Abercuawg is an area of north…