# ▲ ■ ⬟ ⬢ 

circle:       {black: ● , white: ○ ,
  heavy: ⭘,
  large:      {black: ⬤ , white: ◯ ,
    heavy: ⭕,              }}

ellipse:
  horizontal: {black: ⬬ , white: ⬭ }
  vertical:   {black: ⬮ , white: ⬯ }

triangle:
  west:       {black: ◀ , white: ◁ }
  east:       {black: ▶ , white: ▷ }
  north:      {black: ▲ , white: △ }
  south:      {black: ▼ , white: ▽ }
  north_west: {black: ◤ , white: ◸ }
  north_east: {black: ◥ , white: ◹ }
  south_west: {black: ◣ , white: ◺ }
  south_east: {black: ◢ , white: ◿ }
  underbar: 
    north: ⧋
  small:
    black: 
      west: ◂
      east: ▸
      north: ▴
      south: ▾
    white: 
      west: ◃
      east: ▹
      north: ▵
      south: ▿
  centred:
    medium:
      black: 
        west: ⯇
        east: ⯈
        north: ⯅
        south: ⯆

pointer:
  black: 
    east: ◄
    west: ►
  white: 
    east: ◅
    west: ▻

square:
  black: ■
  white: □
  medium:
    black: ◼
    white: ◻
  small:
    black: ▪
    white: ▫
  very_small:
    black: ⬝
    white: ⬞
  centred:
    black: ⯀

rectangle:
  horizontal:
    black: ▬
    white: ▭
  vertical:
    black: ▮
    white: ▯

parallelogram:
  black: ▰
  white: ▱

diamond:
  black: ◆
  white: ◇
  medium:
    black: ⬥
    white: ⬦
  small:
    black: ⬩
  centred:
    black: ⯁
  dotted:
    white: ⟐

lozenge:
  black: ⧫
  white: ◊
  medium:
    black: ⬧
    white: ⬨
  small:
    black: ⬪ # colour reversed
    white: ⬫ # colour reversed

cusp:
  black: ⯌
  white: ⯎
  rotated:
    black: ⯍
    white: ⯏

pentagon:
  north:
    black: ⬟
    white: ⬠
  east:
    black: ⭓
    white: ⭔
  south:
    black: ⯂

star:
  small:
    black: ⭑
    white: ⭒

hexagon:
  vertical:
    black: ⬢
    white: ⬡
  horizontal:
    black: ⬣

octagon:
  vertical:
    black: ⯄
  horizontal:
    black: ⯃