(A-BC-86C9): Add `<-denotational' for A-compBC-86C9; use U+5DE5

(A-BC-86C9): Add `<-denotational' for A-compBC-86C9; use U+5DE5
instead of A-compU+5DE5 as a component.
(A-cgnBC-86C9): New abstract node.
(A-BC-86C9-itaiji-002): New abstract node; use `<-denotational' for
A-BC-8AC2-itaiji-001.
(BC-86C9-itaiji-002): New character; use `<-denotational' for
A-BC-86C9-itaiji-002.
(A-compBC-86C9): New abstract node; use `<-denotational' for
A-cgnBC-86C9.
(A-BC-88D7): New abstract node; use `<-denotational' for U-000200EC.
(BC-88D7): Use A-BC-88D7 instead of U-000200EC as its mother.