LeftTriangleEqual[x, y, ...] displays as x \[LeftTriangleEqual] y \[LeftTriangleEqual] ....
LessEqualGreater[x, y, ...] displays as x \[LessEqualGreater] y \[LessEqualGreater] ....
LessFullEqual[x, y, ...] displays as x \[LessFullEqual] y \[LessFullEqual] ....
LessSlantEqual[x, y, ...] displays as x \[LessSlantEqual] y \[LessSlantEqual] ....
PrecedesSlantEqual[x, y, ...] displays as x \[PrecedesSlantEqual] y \[PrecedesSlantEqual] ....
RightTriangleEqual[x, y, ...] displays as x \[RightTriangleEqual] y \[RightTriangleEqual] ....
SquareSubsetEqual[x, y, ...] displays as x \[SquareSubsetEqual] y \[SquareSubsetEqual] ....
SquareSupersetEqual[x, y, ...] displays as x \[SquareSupersetEqual] y \[SquareSupersetEqual] ....
SucceedsSlantEqual[x, y, ...] displays as x \[SucceedsSlantEqual] y \[SucceedsSlantEqual] ....
TildeFullEqual[x, y, ...] displays as x \[TildeFullEqual] y \[TildeFullEqual] ....