Unicode: 2970. x ⥰ y ⥰ z groups as x ⥰ (y ⥰ z). Not the same as \[Superset].
Unicode: F3B2. Spacing character. Interpreted by default as equivalent to \[RawSpace].
Unicode: F526. x y is by default interpreted as ShortLeftArrow[x,y]. Infix arrow operator. Extensible character.
Unicode: F525. x y is by default interpreted as ShortRightArrow[x,y]. Infix arrow operator. Not the same as \[Rule]. Extensible character.
Unicode: 2423. Alias: Esc space Esc. Spacing character. Interpreted by default as equivalent to \[RawSpace].
Unicode: 2293. Infix operator. x ⊓ y is by default interpreted as SquareIntersection[x,y].
Unicode: 2291. Infix set relation operator. x ⊑ y is by default interpreted as SquareSubsetEqual[x,y].
Unicode: 2292. Infix set relation operator. x ⊒ y is by default interpreted as SquareSupersetEqual[x,y].
Unicode: 2286. Alias: Esc sub= Esc. Infix set relation operator. x ⊆ y is by default interpreted as SubsetEqual[x,y].
Unicode: 2AB0. Infix ordering operator. x ⪰ y is by default interpreted as SucceedsEqual[x,y].