Ἰσσοί

From LSJ

εἰ ἔρρωσαι καὶ ἐν τοῖς ἄλλοις ἀλύπως ἀπαλλάσσεις → if you are well and in other respects are getting on without annoyance

Source

Russian (Dvoretsky)

Ἰσσοί: οἱ Xen. = Ἰσσός.