XFL significa Xtreme Football League.
XFL significa X Football League.
XF significa Jaguar XF.
XFO significa Xtreme Fighting Organization.
XFL significa Bell XFL Airabonita.
XFN significa XHTML Friends Network.
XFV significa Lockheed XFV.
XFR significa Jaguar XFR.
XFY significa Convair XFY.
XFD significa Douglas XFD.
XFM significa XFM London.
XFE significa FordXB.
XFL significa Xtreme Fighting Championships.
XFM significa Xfm.