I have been exploring the hypothesis that the Voynich producer provided the scribes with source documents containing text in both upper and lower case; and that he or she instructed them to treat upper and lower case differently. In such a case, the available alphabet becomes larger. In several of the languages that I have examined, the enlarged alphabet permits mapping of relatively infrequent glyphs such as the v101 {M}, which occurs on page f1r, line 20.
Counts of letters in the alphabets of selected medieval languages. Author's analysis.
Counts of letters in the alphabets of selected medieval languages. Author's analysis.


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