Ideographic Symbols and Punctuation

Tangut mark

16FE0 𖿠 Tangut Iteration Mark
  3005 々 ideographic iteration mark

Nushu mark

16FE1 𖿡 Nushu Iteration Mark

Marks used in ancient Chinese texts

16FE2 𖿢 Old Chinese Hook Mark
  indicates a pause or break in the text
16FE3 𖿣 Old Chinese Iteration Mark
  3005 々 ideographic iteration mark
  303B 〻 vertical ideographic iteration mark

Small Khitan format character

16FE4 ◌𖿤 Khitan Small Script Filler

Combining diacritics for CJK ideographs

These combining marks indicate alternate readings for Han characters in the Vietnamese tradition.
16FF0 𖿰 Vietnamese Alternate Reading Mark Ca
  4E2A 个
  4E87 亇
16FF1 𖿱 Vietnamese Alternate Reading Mark Nhay
  21FE8 𡿨