Did you say... "X Window System" ?
Frequent typos and misspellings :
X Window System X Wnidow System X Widnow System XWindow System X Window System X Wondow System X Wundow System X Wkndow System X Wimdow System X Wihdow System X Wibdow System X Wineow System X Winsow System X Wincow System X Winfow System X Windiw System X Windlw System X Windpw System X Windoe System X Windos System X Windoq System X WindowSystem X Window System X Window Ststem X Window Sustem X Window Shstem X Window Syetem X Window Syatem X Window Sydtem X Window Sywtem X Window Syxtem X Window Sysrem X Window Sysgem X Window Sysyem X Window Systen X Window Systek X Window Systej
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