Emojis matching “red-square”

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Emoji	Description	Unicode
🅰️	A button (blood type)	U+1F170 U+FE0F
🆎	AB button (blood type)	U+1F18E
🅱️	B button (blood type)	U+1F171 U+FE0F
🆑	CL button	U+1F191
🅾️	O button (blood type)	U+1F17E U+FE0F
🆘	SOS button	U+1F198
🈲	Japanese “prohibited” button	U+1F232
🈴	Japanese “passing grade” button	U+1F234
🈵	Japanese “no vacancy” button	U+1F235

Count: 9