<wob_jonas> learn The reals are an overt complete ordered Brazilian currency invented by Taneb in 1994. You can pay with them fast in Nora\'s Hair Salon.

#!/bin/bash
declare {{a..h},{j..t}}="$((i++))" letters=({{a..h},{j..t}}); while read -r; do echo "${letters[18-${REPLY:0:1}]}$((20-${REPLY:1}))"; done