LEFT MULTIMAP
PERPENDICULAR
OR WITH DOT INSIDE
REVERSE SOLIDUS PRECEDING SUBSET
VERTICAL BAR WITH HORIZONTAL STROKE
WHITE DIAMOND WITH CENTRED DOT
AND WITH DOT
ELEMENT OF OPENING UPWARDS
LEFT OUTER JOIN
LARGE UP TACK
LEFT AND RIGHT TACK
MATHEMATICAL RIGHT WHITE SQUARE BRACKET
MATHEMATICAL LEFT ANGLE BRACKET
MATHEMATICAL LEFT DOUBLE ANGLE BRACKET
MATHEMATICAL LEFT WHITE TORTOISE SHELL BRACKET
MATHEMATICAL LEFT FLATTENED PARENTHESIS