φεῖ
From LSJ
αὐτῇ τῇ ψυχῇ αὐτὴν τὴν ψυχὴν θεωροῦντα ἐξαίφνης ἀποθανόντος ἑκάστου → beholding with very soul the very soul of each immediately upon his death
English (LSJ)
τό, name of the letter φ, Callias ap.Ath.10.453d, Hellad. ap. Phot.Bibl.530B.; φεῖ shd. be restored for φῖ in Pl.Cra.427a, etc.; a pun on φφ
A = Φιδίς (leg. Φειδίς) in AP7.429 (Alc.).