(U+5369): Add `<-formed' for U+536A.

(U+5369): Add `<-formed' for U+536A.
(U+536A): Add `sound@ja/on/{kan|go}'; add `<-same' for U+5369; add
`->formed' for U+5369 and U-0002D172; add `->interchangeable' for
M-26243.
(U+353F): Add `sound@ja/on'; add `<-formed' for IU+2007E; add
`<-formed@flipped-horizontally' for U+5369; add
`<-mistakable@component' for U+21552-itaiji-002; add `<-same' for
U+536A.
(U-0002007E): Apply new conventions for glyph granularity.
(U+2007E-itaiji-001): New character; use `<-denotational' for
U-0002007E.
(U-0002D172): New character; unify MJ057105 and KOSEKI-032870.
(A-M-02851): New abstract component.
(U-00020A14): Add `<-denotational' for A-M-02851; add
`<-formed@flipped-horizontally' for U+5370; add `<-original' for
UU+6291.
(U+20A14-itaiji-001): New character; use `<-denotational' for
A-M-02851.