ShortLeftArrow[x, y, ...] displays as x \[ShortLeftArrow] y \[ShortLeftArrow] ....
ShortRightArrow[x, y, ...] displays as x \[ShortRightArrow] y \[ShortRightArrow] ....
SquareIntersection[x, y, ...] displays as x \[SquareIntersection] y \[SquareIntersection] ....
SquareSubsetEqual[x, y, ...] displays as x \[SquareSubsetEqual] y \[SquareSubsetEqual] ....
SquareSubset[x, y, ...] displays as x \[SquareSubset] y \[SquareSubset] ....
SquareSupersetEqual[x, y, ...] displays as x \[SquareSupersetEqual] y \[SquareSupersetEqual] ....
SquareSuperset[x, y, ...] displays as x \[SquareSuperset] y \[SquareSuperset] ....
SquareUnion[x, y, ...] displays as x \[SquareUnion] y \[SquareUnion] ....
SucceedsEqual[x, y, ...] displays as x \[SucceedsEqual] y \[SucceedsEqual] ....
Succeeds[x, y, ...] displays as x \[Succeeds] y \[Succeeds] ....