During the reign of the Tamura Emperor, when he was confined to Suma in the province of Tsu for certain reasons, he sent this to someone in the capital.

わくらばにとふ人あらばすまの浦にもしほたれつつわぶとこたへよ

wakuraba ni toFu Fito araba suma no ura ni mosiFo taretutu wabu to kotaFeyo

If of me Folk should come enquiring, then as On the beach at Suma The seaweed ever drips, I suffer—answer that!

Ariwara no Yukihira