Enclosing Mark

U+20DD ⃝ COMBINING ENCLOSING CIRCLE U+20DE ⃞ COMBINING ENCLOSING SQUARE U+20DF ⃟ COMBINING ENCLOSING DIAMOND U+20E0 ⃠ COMBINING ENCLOSING CIRCLE BACKSLASH U+20E2 ⃢ COMBINING ENCLOSING SCREEN U+20E3 ⃣ COMBINING ENCLOSING KEYCAP U+20E4 ⃤ COMBINING ENCLOSING UPWARD POINTING TRIANGLE