It prompted me to google "Greek Alphabets"

Greek Alphabet
Α α Alpha
Ν ν Nu
Β β Beta
Ξ ξ Xi
Γ γ Gamma
Ο ο Omicron
Δ δ Delta
Π π Pi
Ε ε Epsilon
Ρ ρ Rho
Ζ ζ Zeta
Σ σ ς Sigma
Η η Eta
Τ τ Tau
Θ θ Theta
Υ υ Upsilon
Ι ι Iota
Φ φ Phi
Κ κ Kappa
Χ χ Chi
Λ λ Lambda
Ψ ψ Psi
Μ μ Mu
Ω ω Omega
Obsolete Letters
Ϝ ϝ Digamma
Ϻ ϻ San
Ϙ ϙ Qoppa
Ϡ ϡ Sampi
Ϛ ϛ Stigma
Ϸ ϸ Sho
You can't see the ϝ ϝ because the letters are obsolete and most coding systems can't read them.
This is just the start...I will persevere and learn more greek! Well until I get another harebrain scheme to embark upon!