t(20)+13=33→7(g) t(20)+13=7(g) b(2)+13=15(o) y(25)+13=38→12(l) q(17)+13=30→4(d) → ggold ? Interesting: guzly ggold — not quite.
Word 1: thmyl t ↔ g h ↔ s m ↔ n y ↔ b l ↔ o → gsnbo ? Still not right. (often used for English obfuscation) thmyl ttbyq Cee synmana llayfwn
Let’s test full phrase backward shift 5 (i.e., each letter minus 5): each letter minus 5):