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V, 36 bytes
iABCDEFGHIJKLMNOPQRSTUVWXYZ♡25ñYpx$p
Try it online!
Replace the ♡ with a literal escape character, e.g. 0x1B
Unfortunately, a huge number of bytes comes from generating the alphabet. This would be really competetive if I had a builtin for that. Oh well.
This uses the "Latin1" e...