Did you say... "ffxs" ?
Frequent typos and misspellings :
ffxs fxs rfxs tfxs cfxs dfxs gfxs bfxs frxs ftxs fcxs fdxs fgxs fbxs ffss ffcs ffzs ffxe ffxa ffxd ffxw ffxx
Webmasters: cut and paste this list of common typos for your keyword search engine optimisation needs. You can also click any of the words above to generate more typos.
Why are misspellings and typos important for you ? Read the introduction about the Typo Trap