Expand :[letter name] to the corresponding greek letter. The first character determines the letter case
Paste this command in a terminal to install the package
espanso install greek-letters-alt
:Pi
:pi
:greeks
Alpha: Αα Beta: Ββ Delta: Δδ Epsilon: Εε Phi: Φφ Gamma: Γγ Eta: Ηη Iota: Ιι Theta: Θθ Kappa: Κκ Lambda: Λλ Mu: Μμ Nu: Νν Omicron: Οο Pi: Ππ Chi: Χχ Rho: Ρρ Sigma: Σσ Tau: Ττ Upsilon: Υυ Omega: Ωω Xi: Ξξ Psi: Ψψ Zeta: Ζζ