OPEN SUBSET
LEFT S-SHAPED BAG DELIMITER
OR WITH DOT INSIDE
VERTICAL BAR WITH HORIZONTAL STROKE
MATHEMATICAL FALLING DIAGONAL
SQUARED LOGICAL AND
WHITE DIAMOND WITH CENTRED DOT
ELEMENT OF OPENING UPWARDS
LEFT AND RIGHT TACK
LONG RIGHT TACK
WHITE CONCAVE-SIDED DIAMOND WITH RIGHTWARDS TICK
WHITE SQUARE WITH LEFTWARDS TICK
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL RIGHT ANGLE BRACKET
MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET
MATHEMATICAL RIGHT WHITE TORTOISE SHELL BRACKET