S1H4E1L1L1A1C3K5E1D2
20 points
SHELLACKED is validvalid
SHELLAC, to cover with a thin varnish [v] / SHELLACK, to shellac [v]
SHELLAC, to cover with a thin varnish, also SHELLACK [v]
SHELLAC, to cover with a thin varnish [v] / SHELLACK, to shellac [v]
SHELLAC, to cover with a thin varnish, also SHELLACK [v]