Beta Review Master 1.1a by

Indefinite pronoun τις

Note that the accent for the indefinite pronoun is either on the last syllable or missing. Do not confuse this with the interrogative pronoun.
Greek Typing Key
a b g d e z h q i k l m n j  o p r  s,c t u f x y w
α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ σ,ς τ υ φ χ ψ ω
) ( / = | (tilde and iota subscript cannot be pictured alone)
᾿ ῾ ´ ῆ ῃ
To type combined accents simply type in succession: h=| becomes ῇ as you type.
Masculine/Feminine Singular
Neuter Singular
Masculine/Feminine Dual
Neuter Dual
Masculine/Feminine Plural
Neuter Plural