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.
ꜣ ꜣ ꜥ ꜥ ꜧ ꜧ ꜩ ꜩ ꜫ ꜫ ꜭ ꜭ ꜯ ꜯ ꜳ ꜳ ꜵ ꜵ ꜷ ꜷ ꜹ ꜹ ꜻ ꜻ ꜽ ꜽ ꜿ ꜿ ꝁ ꝁ ꝃ ꝃ ꝅ ꝅ ꝇ ꝇ ꝉ ꝉ ꝋ ꝋ ꝍ ꝍ ꝏ ꝏ ꝑ ꝑ ꝓ ꝓ ꝕ ꝕ ꝗ ꝗ ꝙ ꝙ ꝛ ꝛ ꝝ ꝝ ꝟ ꝟ ꝡ ꝡ ꝣ ꝣ ꝥ ꝥ ꝧ ꝧ ꝩ ꝩ ꝫ ꝫ ꝭ ꝭ ꝯ ꝯ ꝺ ꝺ ꝼ ꝼ ᵹ ᵹ ꝿ ꝿ ꞁ ꞁ ꞃ ꞃ ꞅ ꞅ ꞇ ꞇ ꞌ ꞌ ɥ ɥ ꞑ ꞑ ꞓ ꞓ ꞗ ꞗ ꞙ ꞙ ꞛ ꞛ ꞝ ꞝ ꞟ ꞟ ꞡ ꞡ ꞣ ꞣ ꞥ ꞥ ꞧ ꞧ ꞩ ꞩ ɦ ɦ ɜ ɜ ɡ ɡ ɬ ɬ ʞ ʞ ʇ ʇ