The text is arranged in pairs of three-letter 'words'. Test passes if the words in each pair match
If you are missing a font glyph for a character, ignore that pair, but report which characters were ignored.

ἀἀἀ Ἀἀἀ ἁἁἁ Ἁἁἁ ἂἂἂ Ἂἂἂ ἃἃἃ Ἃἃἃ ἄἄἄ Ἄἄἄ ἅἅἅ Ἅἅἅ ἆἆἆ Ἆἆἆ ἇἇἇ Ἇἇἇ ἐἐἐ Ἐἐἐ ἑἑἑ Ἑἑἑ ἒἒἒ Ἒἒἒ ἓἓἓ Ἓἓἓ ἔἔἔ Ἔἔἔ ἕἕἕ Ἕἕἕ ἠἠἠ Ἠἠἠ ἡἡἡ Ἡἡἡ ἢἢἢ Ἢἢἢ ἣἣἣ Ἣἣἣ ἤἤἤ Ἤἤἤ ἥἥἥ Ἥἥἥ ἦἦἦ Ἦἦἦ ἧἧἧ Ἧἧἧ ἰἰἰ Ἰἰἰ ἱἱἱ Ἱἱἱ ἲἲἲ Ἲἲἲ ἳἳἳ Ἳἳἳ ἴἴἴ Ἴἴἴ ἵἵἵ Ἵἵἵ ἶἶἶ Ἶἶἶ ἷἷἷ Ἷἷἷ ὀὀὀ Ὀὀὀ ὁὁὁ Ὁὁὁ ὂὂὂ Ὂὂὂ ὃὃὃ Ὃὃὃ ὄὄὄ Ὄὄὄ ὅὅὅ Ὅὅὅ ὑὑὑ Ὑὑὑ ὓὓὓ Ὓὓὓ ὕὕὕ Ὕὕὕ ὗὗὗ Ὗὗὗ ὠὠὠ Ὠὠὠ ὡὡὡ Ὡὡὡ ὢὢὢ Ὢὢὢ ὣὣὣ Ὣὣὣ ὤὤὤ Ὤὤὤ ὥὥὥ Ὥὥὥ ὦὦὦ Ὦὦὦ ὧὧὧ Ὧὧὧ ὰὰὰ Ὰὰὰ άάά Άάά ὲὲὲ Ὲὲὲ έέέ Έέέ ὴὴὴ Ὴὴὴ ήήή Ήήή ὶὶὶ Ὶὶὶ ίίί Ίίί ὸὸὸ Ὸὸὸ όόό Όόό ὺὺὺ Ὺὺὺ ύύύ Ύύύ ὼὼὼ Ὼὼὼ ώώώ Ώώώ ᾀᾀᾀ ᾈᾀᾀ ᾁᾁᾁ ᾉᾁᾁ ᾂᾂᾂ ᾊᾂᾂ ᾃᾃᾃ ᾋᾃᾃ ᾄᾄᾄ ᾌᾄᾄ ᾅᾅᾅ ᾍᾅᾅ ᾆᾆᾆ ᾎᾆᾆ ᾇᾇᾇ ᾏᾇᾇ ᾐᾐᾐ ᾘᾐᾐ ᾑᾑᾑ ᾙᾑᾑ ᾒᾒᾒ ᾚᾒᾒ ᾓᾓᾓ ᾛᾓᾓ ᾔᾔᾔ ᾜᾔᾔ ᾕᾕᾕ ᾝᾕᾕ ᾖᾖᾖ ᾞᾖᾖ ᾗᾗᾗ ᾟᾗᾗ ᾠᾠᾠ ᾨᾠᾠ ᾡᾡᾡ ᾩᾡᾡ ᾢᾢᾢ ᾪᾢᾢ ᾣᾣᾣ ᾫᾣᾣ ᾤᾤᾤ ᾬᾤᾤ ᾥᾥᾥ ᾭᾥᾥ ᾦᾦᾦ ᾮᾦᾦ ᾧᾧᾧ ᾯᾧᾧ ᾰᾰᾰ Ᾰᾰᾰ ᾱᾱᾱ Ᾱᾱᾱ ᾳᾳᾳ ᾼᾳᾳ ιιι Ιιι ῃῃῃ ῌῃῃ ῐῐῐ Ῐῐῐ ῑῑῑ Ῑῑῑ ῠῠῠ Ῠῠῠ ῡῡῡ Ῡῡῡ ῥῥῥ Ῥῥῥ ῳῳῳ ῼῳῳ