NotSubsetEqual[x, y, ...] displays as x \[NotSubsetEqual] y \[NotSubsetEqual] ....
NotSubset[x, y, ...] displays as x \[NotSubset] y \[NotSubset] ....
NotSucceedsEqual[x, y, ...] displays as x \[NotSucceedsEqual] y \[NotSucceedsEqual] ....
NotSucceeds[x, y, ...] displays as x \[NotSucceeds] y \[NotSucceeds] ....
NotSucceedsSlantEqual[x, y, ...] displays as x \[NotSucceedsSlantEqual] y \[NotSucceedsSlantEqual] ....
NotSucceedsTilde[x, y, ...] displays as x \[NotSucceedsTilde] y \[NotSucceedsTilde] ....
NotSupersetEqual[x, y, ...] displays as x \[NotSupersetEqual] y \[NotSupersetEqual] ....
NotSuperset[x, y, ...] displays as x \[NotSuperset] y \[NotSuperset] ....
NotTildeEqual[x, y, ...] displays as x \[NotTildeEqual] y \[NotTildeEqual] ....
NotTildeFullEqual[x, y, ...] displays as x \[NotTildeFullEqual] y \[NotTildeFullEqual] ....