A Hydra For Country Business Marks

(defhydra help/trademark (:color blue :hint nil)
  "
American _R_egistered Trademark
American _U_nregistered Trademark
American _S_ervice Mark
_J_apanese Industrial Standard
_K_orean Standard
"
  ("R" (lambda () (interactive) (insert "®")))
  ("U" (lambda () (interactive) (insert "™")))
  ("S" (lambda () (interactive) (insert "℠")))
  ("J" (lambda () (interactive) (insert "〄")))
  ("K" (lambda () (interactive) (insert "㉿"))))