Shit, piss, fuck, ****, cocksucker, ************, tits, fart, turd, and twat.
I'm one of those people that doesn't really believe there is "Swearing", especially because I have to constantly question why I can say "Poppycock, you gosh darn ignoramus" despite it having the same meaning as "Bullshit, you goddamn dumbass".
Sure, it doesn't sound civilised but often the people I would feel the need to express such a to aren't exactly going to be aghast and drop their monocle into their earl grey.
Plus context, there's always context.