Test passes if you see no red characters.
If you are missing a font glyph for a character, ignore that item, but report which items were ignored.
ἀ ἁ ἂ ἃ ἄ ἅ ἆ ἇ ἐ ἑ ἒ ἓ ἔ ἕ ἠ ἡ ἢ ἣ ἤ ἥ ἦ ἧ ἰ ἱ ἲ ἳ ἴ ἵ ἶ ἷ ὀ ὁ ὂ ὃ ὄ ὅ ὑ ὓ ὕ ὗ ὠ ὡ ὢ ὣ ὤ ὥ ὦ ὧ ὰ ά ὲ έ ὴ ή ὶ ί ὸ ό ὺ ύ ὼ ώ ᾀ ᾁ ᾂ ᾃ ᾄ ᾅ ᾆ ᾇ ᾐ ᾑ ᾒ ᾓ ᾔ ᾕ ᾖ ᾗ ᾠ ᾡ ᾢ ᾣ ᾤ ᾥ ᾦ ᾧ ᾰ ᾱ ᾳ ι ῃ ῐ ῑ ῠ ῡ ῥ ῳ
Ἀ Ἁ Ἂ Ἃ Ἄ Ἅ Ἆ Ἇ Ἐ Ἑ Ἒ Ἓ Ἔ Ἕ Ἠ Ἡ Ἢ Ἣ Ἤ Ἥ Ἦ Ἧ Ἰ Ἱ Ἲ Ἳ Ἴ Ἵ Ἶ Ἷ Ὀ Ὁ Ὂ Ὃ Ὄ Ὅ Ὑ Ὓ Ὕ Ὗ Ὠ Ὡ Ὢ Ὣ Ὤ Ὥ Ὦ Ὧ Ὰ Ά Ὲ Έ Ὴ Ή Ὶ Ί Ὸ Ό Ὺ Ύ Ὼ Ώ ᾈ ᾉ ᾊ ᾋ ᾌ ᾍ ᾎ ᾏ ᾘ ᾙ ᾚ ᾛ ᾜ ᾝ ᾞ ᾟ ᾨ ᾩ ᾪ ᾫ ᾬ ᾭ ᾮ ᾯ Ᾰ Ᾱ ᾼ Ι ῌ Ῐ Ῑ Ῠ Ῡ Ῥ ῼ