If you have more details or a specific context where you encountered this text, I could offer more tailored advice.
Take fydyw as first encoded word. If plaintext is there : t(20), h(8), e(5), r(18), e(5). Cipher: f(6), y(25), d(4), y(25), w(23). Differences: t→f = -14 or +12; h→y = +17; e→d = -1; r→y = +7; e→w = +18 — no. Download- fydyw tjss ly lhm mharm mn tht qb a...
Wait — "Download-" is plaintext. Then "fydyw" — maybe it's "email"? No. If you have more details or a specific
: It's possible that the text resulted from typing quickly and accidentally hitting the wrong keys, or an autocorrect feature malfunctioning. e(5). Cipher: f(6)