/usr/lib/aspell/en_GB-ise-w_accents-only.rws is in aspell-en 6.0-0-6ubuntu2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /var/lib/aspell/en_GB-ise-w_accents-only.rws
/var/lib/aspell/en_GB-ise-w_accents-only.rws