%%[
Set @language = System_Language__c
Set @ESvalue= "es_" 
Set @PTvalue= "pt_" 
Set @FRvalue= "fr_" 
Set @JPvalue= "ja_"
Set @ITvalue= "it_" 
Set @RUvalue= "ru_" 
Set @DEvalue= "de_" 
Set @ENvalue= "en_"
/* Does it match; ; if no match, output of IndexOf(1,2) will be "0" */ 
  
  SET @firstName = AttributeValue("FirstName")
SET @UNvalue= "?" 
SET @firstName = ProperCase(@firstName)
IF @firstName == "unknown" OR IndexOf(@firstName,@UNvalue) > 0 then set @FirstName = "" ENDIF
if @language == "Spanish" OR IndexOf(@language,@ESvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", h")
   ELSE SET @greeting = "H"
ENDIF
elseif @language == "Portuguese" OR IndexOf(@language,@PTvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", n")
   ELSE SET @greeting = "N"
   ENDIF
elseif @language == "French" OR IndexOf(@language,@FRvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", n")
   ELSE SET @greeting = "N"
   ENDIF
elseif @language == "Japanese" OR IndexOf(@language,@JPvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", V")
   ELSE SET @greeting = "V"
   ENDIF
elseif @language == "Italian" OR IndexOf(@language,@ITvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", a")
   ELSE SET @greeting = "A"
   ENDIF
elseif @language == "Russian" OR IndexOf(@language,@RUvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", м")
   ELSE SET @greeting = "М"
   ENDIF
elseif @language == "German" OR IndexOf(@language,@DEvalue) > 0 then 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", w")
   ELSE SET @greeting = "W"
   ENDIF
else 
    IF NOT EMPTY(@firstName) then set @greeting = Concat(@firstName, ", w")
   ELSE SET @greeting = "W"
   ENDIF
endif]%%