write /Acro to enable and /NOAcro to disable .... thats the simplest acronym replacer will replace ur msg with acronymed letters

alias Acro { set %enabled on | echo -a enabled replacer }
alias NoACro { unset %enabled | echo -a disabled replacer }
on *:Input:*: {
  if ($left($1,1) != / ) && (%enabled == on) {
    say $replace($1-,b,B,d,D,f,2F,h,H,j,J,4k,K,2m,M,o,O,s,S,r,R,x,X,y,Y)
    halt
  }
}