⬒
SQUARE WITH TOP HALF BLACK
U+2B12
⬓
SQUARE WITH BOTTOM HALF BLACK
U+2B13
⬔
SQUARE WITH UPPER RIGHT DIAGONAL HALF BLACK
U+2B14
⬕
SQUARE WITH LOWER LEFT DIAGONAL HALF BLACK
U+2B15
⬚
DOTTED SQUARE
U+2B1A
⬛
BLACK LARGE SQUARE
U+2B1B
⬜
WHITE LARGE SQUARE
U+2B1C
⬝
BLACK VERY SMALL SQUARE
U+2B1D
⬞
WHITE VERY SMALL SQUARE
U+2B1E