Test passes if both characters in each pair match. If you are missing a font glyph for a character, ignore that pair, but report which characters were ignored.
Ἀ ἀ Ἁ ἁ Ἂ ἂ Ἃ ἃ Ἄ ἄ Ἅ ἅ Ἆ ἆ Ἇ ἇ Ἐ ἐ Ἑ ἑ Ἒ ἒ Ἓ ἓ Ἔ ἔ Ἕ ἕ Ἠ ἠ Ἡ ἡ Ἢ ἢ Ἣ ἣ Ἤ ἤ Ἥ ἥ Ἦ ἦ Ἧ ἧ Ἰ ἰ Ἱ ἱ Ἲ ἲ Ἳ ἳ Ἴ ἴ Ἵ ἵ Ἶ ἶ Ἷ ἷ Ὀ ὀ Ὁ ὁ Ὂ ὂ Ὃ ὃ Ὄ ὄ Ὅ ὅ Ὑ ὑ Ὓ ὓ Ὕ ὕ Ὗ ὗ Ὠ ὠ Ὡ ὡ Ὢ ὢ Ὣ ὣ Ὤ ὤ Ὥ ὥ Ὦ ὦ Ὧ ὧ ᾈ ᾀ ᾉ ᾁ ᾊ ᾂ ᾋ ᾃ ᾌ ᾄ ᾍ ᾅ ᾎ ᾆ ᾏ ᾇ ᾘ ᾐ ᾙ ᾑ ᾚ ᾒ ᾛ ᾓ ᾜ ᾔ ᾝ ᾕ ᾞ ᾖ ᾟ ᾗ ᾨ ᾠ ᾩ ᾡ ᾪ ᾢ ᾫ ᾣ ᾬ ᾤ ᾭ ᾥ ᾮ ᾦ ᾯ ᾧ Ᾰ ᾰ Ᾱ ᾱ Ὰ ὰ Ά ά ᾼ ᾳ Ὲ ὲ Έ έ Ὴ ὴ Ή ή ῌ ῃ Ῐ ῐ Ῑ ῑ Ὶ ὶ Ί ί Ῠ ῠ Ῡ ῡ Ὺ ὺ Ύ ύ Ῥ ῥ Ὸ ὸ Ό ό Ὼ ὼ Ώ ώ ῼ ῳ