The text is arranged in pairs of three-letter 'words'. Test passes if there are NO uppercase letters.
If you are missing a font glyph for a character, ignore that pair, but report which characters were ignored.

ⓐⓐⓐ ⓑⓑⓑ ⓒⓒⓒ ⓓⓓⓓ ⓔⓔⓔ ⓕⓕⓕ ⓖⓖⓖ ⓗⓗⓗ ⓘⓘⓘ ⓙⓙⓙ ⓚⓚⓚ ⓛⓛⓛ ⓜⓜⓜ ⓝⓝⓝ ⓞⓞⓞ ⓟⓟⓟ ⓠⓠⓠ ⓡⓡⓡ ⓢⓢⓢ ⓣⓣⓣ ⓤⓤⓤ ⓥⓥⓥ ⓦⓦⓦ ⓧⓧⓧ ⓨⓨⓨ ⓩⓩⓩ