σφωέ
From LSJ
English (LSJ)
dual nom. and acc. of the Pron. of 3rd pers., of which the gen. sg. and nom. pl. are οὗ, σφεῖς (qq. v.); dat. σφωΐν:—
A they two, both of them, only masc. and fem., and always enclit., Il.1.8, al.; strengthd., σφωΐν ἀμφοτέροιιν Od.20.327:—the form σφώ is only found in post-Homeric Ep., as Antim.9.11 (in Il.17.531 σφω' Αἴαντε is the best reading, cf. A.D.Pron.88.24, Hdn.Gr.2.72).