such as
panty, stocking, OT-kun, OTannia, kawaii, mango, rabu, meguka, >a, >b, >c, >d, >e, >f, >g, >h, >i, >j, >k, >l, >m, >n, >o, >p, >q, >r, >s, >t, >u, >v, >w, >x, >y, >z, nng, meido, rait, nao, cour, save my,
then change the settings of that group to either Remove Topics or Remove Messages
unfortunately you can't do both but you can make two groups that are the same thing and set one for topics and one for messages, so yeah. essentially the same thing.
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machinery don't fail on me, I'm fixing these things as they're falling apart
http://i.imgur.com/PQGPX.png