Mstqym | Danlwd Nt Wy Py An Layt Ba Lynk

If I must guess based on typical puzzle answers, the decoded phrase could be: (word lengths 4,2,1,6,2,1,5,2,5,6) — but our ciphertext has 5,2,2,2,2,4,2,4,7 — mismatched.

Given that “solid paper” is the title, maybe the ciphertext decodes to something like: or similar. danlwd nt wy py an layt ba lynk mstqym

danlwd → dwlnad nt → tn wy → yw py → yp an → na layt → tyal ba → ab lynk → knyl mstqym → myqtsm If I must guess based on typical puzzle