Canonical Equivalencies:

1. ᾚ
   U+0397 GREEK CAPITAL LETTER ETA, U+0313 COMBINING COMMA ABOVE, U+0340 COMBINING GRAVE TONE MARK, U+0345 COMBINING GREEK YPOGEGRAMMENI
   
   
2. ᾚ
   U+0397 GREEK CAPITAL LETTER ETA, U+0343 COMBINING GREEK KORONIS, U+0340 COMBINING GRAVE TONE MARK, U+0345 COMBINING GREEK YPOGEGRAMMENI
   
   
3. ᾚ
   U+1F28 GREEK CAPITAL LETTER ETA WITH PSILI, U+0300 COMBINING GRAVE ACCENT, U+0345 COMBINING GREEK YPOGEGRAMMENI
   
   
4. ᾚ
   U+1F2A GREEK CAPITAL LETTER ETA WITH PSILI AND VARIA, U+0345 COMBINING GREEK YPOGEGRAMMENI
   
   
5. ᾚ
   U+1F98 GREEK CAPITAL LETTER ETA WITH PSILI AND PROSGEGRAMMENI, U+0340 COMBINING GRAVE TONE MARK
   
   
6. ᾚ
   U+1F28 GREEK CAPITAL LETTER ETA WITH PSILI, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0340 COMBINING GRAVE TONE MARK
   
   
7. ᾚ
   U+0397 GREEK CAPITAL LETTER ETA, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0343 COMBINING GREEK KORONIS, U+0300 COMBINING GRAVE ACCENT
   
   
8. ᾚ
   U+0397 GREEK CAPITAL LETTER ETA, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0313 COMBINING COMMA ABOVE, U+0300 COMBINING GRAVE ACCENT
   
   
9. ᾚ
   U+0397 GREEK CAPITAL LETTER ETA, U+0343 COMBINING GREEK KORONIS, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0300 COMBINING GRAVE ACCENT
   
   
10. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0313 COMBINING COMMA ABOVE, U+0300 COMBINING GRAVE ACCENT, U+0345 COMBINING GREEK YPOGEGRAMMENI
    
    
11. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0313 COMBINING COMMA ABOVE, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0340 COMBINING GRAVE TONE MARK
    
    
12. ᾚ
    U+1FCC GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI, U+0343 COMBINING GREEK KORONIS, U+0340 COMBINING GRAVE TONE MARK
    
    
13. ᾚ
    U+1FCC GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI, U+0313 COMBINING COMMA ABOVE, U+0340 COMBINING GRAVE TONE MARK
    
    
14. ᾚ
    U+1F98 GREEK CAPITAL LETTER ETA WITH PSILI AND PROSGEGRAMMENI, U+0300 COMBINING GRAVE ACCENT
    
    
15. ᾚ
    U+1F28 GREEK CAPITAL LETTER ETA WITH PSILI, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0300 COMBINING GRAVE ACCENT
    
    
16. ᾚ
    U+1F28 GREEK CAPITAL LETTER ETA WITH PSILI, U+0340 COMBINING GRAVE TONE MARK, U+0345 COMBINING GREEK YPOGEGRAMMENI
    
    
17. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0343 COMBINING GREEK KORONIS, U+0300 COMBINING GRAVE ACCENT, U+0345 COMBINING GREEK YPOGEGRAMMENI
    
    
18. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0343 COMBINING GREEK KORONIS, U+0340 COMBINING GRAVE TONE MARK
    
    
19. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0313 COMBINING COMMA ABOVE, U+0340 COMBINING GRAVE TONE MARK
    
    
20. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0343 COMBINING GREEK KORONIS, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0340 COMBINING GRAVE TONE MARK
    
    
21. ᾚ
    U+0397 GREEK CAPITAL LETTER ETA, U+0313 COMBINING COMMA ABOVE, U+0345 COMBINING GREEK YPOGEGRAMMENI, U+0300 COMBINING GRAVE ACCENT
    
    
22. ᾚ
    U+1FCC GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI, U+0343 COMBINING GREEK KORONIS, U+0300 COMBINING GRAVE ACCENT
    
    
23. ᾚ
    U+1FCC GREEK CAPITAL LETTER ETA WITH PROSGEGRAMMENI, U+0313 COMBINING COMMA ABOVE, U+0300 COMBINING GRAVE ACCENT