| Α, α | alfa | A, a |
| Β, β | bēta | B, b |
| Γ, γ | gamma | G, g |
| γγ | gamma + velar (ganelyd) | ng |
| γκ | nk | |
| γξ | nks | |
| γχ | nkh | |
| Δ, δ | delta | D, d |
| Ε, ε | epsilon | E, e |
| Ζ, ζ | zēta | Z, z |
| Η, η | ēta | Ē, ē |
| Θ, θ | thēta | Th, th |
| Ι, ι | iōta | I, i |
| Κ, κ | kappa | K, k |
| Λ, λ | lambda | L, l |
| Μ, μ | my | M, m |
| Ν, ν | ny | N, n |
| Ξ, ξ | ksi | Ks, ks |
| Ο, ο | omikron | O, o |
| Π, π | pi | P, p |
| Ρ, ρ | rho | R, r |
| ρρ | rho + rho | rrh |
| Ῥ, ῥ | rho med spiritus asper | Rh, rh |
| Σ, σ/ς | sigma | S, s |
| Τ, τ | tau | T, t |
| Υ, υ | ypsilon | Y, y (som andenvokal i diftonger: u) |
| Φ, φ | fi | F, f |
| Χ, χ | khi | Kh, kh |
| Ψ, ψ | psi | Ps, ps |
| Ω, ω | ōmega | Ō, ō |
Spiritus lenis transskriberes ikke. Spiritus asper transskriberes med h.
Iōta subscriptum transskriberes ikke i koiné-græsk.