Ъ: @harryshorriblehumor
Ы: @beniofficial
Ь: @RylanTheRylan
Music used: Mortal Kombat theme
S: @c0mb1ety07 (From Estonian Alphabet Lore)
H: @CarsonDog8 (From Kazakh Alphabet Lore)
I: @Mustafa (From Ukraine Alphabet Lore)
E: @starcb69 (From Kazakh Alphabet Lore)
L: @_Jose-Tubby-Studios_ (From Latvian Alphabet Lore)
D: @SLS_Stickmanlorestudios3830 (From Uzbek Alphabet Lore)
П: Square Studio (From Belarussian Alphabet Lore)
All of the above letters are from the alphabets of countries that were once states of the former Soviet Union