Print Greek in Bash

alias print_greek='declare -A na_array=(["0380"]=1  ["0381"]=1  ["0382"]=1  ["0383"]=1  ["038B"]=1  ["038D"]=1  ["0378"]=1  ["0379"]=1 ["037F"]=1 ["03A2"]=1 ); for uprefix in 037 038 039 03A 03B 03C 03D 03E 03F; do for usuffix in {0..9} {A..F}; do [[ -z $(echo "${na_array["${uprefix}${usuffix}"]+check}") ]] && printf "\u${uprefix}${usuffix}\n"; done; done;'