Ѩ, Alphabet Lore Russian Wiki

Ѩ is a character that would have appeared in ECAL she could appeared on season 2

Early Cyrillic alphabet - Wikiwand

Щ, Alphabet Lore Russian Wiki

Ы, Alphabet Lore Russian Wiki

Cyrillic script - Wikipedia

Why did Cyril or whoever constructed the Cyrillic alphabet choose different symbols for ones that already existed in the Latin alphabet, e.g. 3 instead of z, c instead of s, p instead

А, Alphabet Lore Russian Wiki

Ya (Cyrillic) - Wikipedia

De (Cyrillic) - Wikipedia

Hard sign - Wikipedia

Ocs Online, PDF, Grammatical Number

Browse Fanmade Alphabet Lore Comics - Comic Studio

What do Russians think about their alphabet? - Quora