From The Document Foundation Wiki
# This is a title blacklist; titles that match regex here are forbidden, and cannot be created.
# Use "#" for comments.
# This is case insensitive by default
# Options exist to stop editing, account creation, and moves as well. See mw:Extension:Title Blacklist for documentation
# Note: Internally, the pattern delimiter is '/', so be sure to escape all '/'s.
# UTF-8 mode is enabled. Do not use literal non-breaking spaces in regexes as some browsers cannot handle them.
# EDITING ONLY FOR ADMINISTRATORS ! '
# additions from own experience
.*lens.*
.*loan.*
.*loans.*
.*solar.*
.*wedding.*
.*pharmacy.*
.*pharmacie.*
.*savings.*
.*payday.*
.*mortgage.*
.*insurance.*
.*game.*
.*tetris.*
.*drug.*
.*robbed.*
.*quiz.*
.*gambling.*
.*gamble.*
.*angry bird.*
.*flexeril.*
.*naproxen.*
.*junk car.*
.*quid.*
.*lady.*
.*ladies.*
.*cash.*
.*coin.*
# some special page (Dennisroczek) - prevent to redirect to other TLD!
\/.*
WikiAction.*