Most tools can do this (Nuke, Demon, GSA)
Concatenate"{"A1"|"A2"|"A3"|"A4............"}" (something like that - buggered if I'm going to crack Excel open this time of night)
If it sticks at 16 (I think older version of excel might) then do it every 16 lines and stick them together at the end with a few seconds copy and paste
New versions of Excel should allow you to get loads in there. Once you've set the sheet up once all you need to do in the future is copy and paste your new keywords into column "A" and there's your results
Scritty