The big seal script of character Scables is
The left is character Bed Board (Post 635) + the top short horizontal line means Ill or Disease. Ill people normally lays on bed with a headboard to prevent the patient falling down. the inside is character Boundary (Post 270). The scables is skin disease. Skin is a boundary of body. The character is Disease + Boundary.
The small seal script of character Scables is