(U+714A): Add `ideographic-structure'; add `sound@ja/on/{kan|go}'.

(U+714A): Add `ideographic-structure'; add `sound@ja/on/{kan|go}'.
(UU+714A): Add `ideographic-structure'; add JU+7156 as a target of
`<-formed'; add `<-same' for JU+7156 and UU+6684.
(U+7156): Add `ideographic-structure'; add `sound@ja/on/{kan|go}'.
(JU+7156): Add `ideographic-structure'; add some relations for other
characters.
(U+7157): Apply new conventions for glyph granularity.
(U+718A): Likewise.
(U+718B): Use `->denotational' and `->subsumptive'.
(U+9FA6): New character.
(U+71F8): Use `->denotational' and `->subsumptive'.
(U-00024470): New character.
(U-000244E3): New character.