⭕A

#circle around letter #letter in circle #encircled letter #hollow circle #letter symbol #red circle

🇩⭕

#d in circle #regional indicator d #letter in circle #red circle outline

D⭕

#d in circle #capital d #letter in circle #uppercase d #red circle outline

⭕🅰️🅱️Ⓒ

#circle letters #letter in circle #enclosed letters #bubble letters #shape letters

🅰️⚪

#letter in circle #initial in circle #single letter circle #circled a #monogram design #alphabet symbol

⭕️🅰️⭕️🅱️

#circle letters emoji #letter in circle #enclosed letters #alphabet circle #bubble letters #circled alphabet

⭕i

#i in circle #letter in circle #enclosed i #circle around i #DIY circled i

🅰️🅱️⭕️

#circled letters #letter buttons #alphabet symbols #circled a #circled b #letter in circle

®️⚫

#registered r #circled r #r logo #letter in circle #copyright r symbol