How to add multipe stocks in watchlist in one go?

Without using the import option. How can I add multiple stocks using ticker in the watchlist?

for example these are the tickers, I tried
EMKAY,SIKKO,CHEMPLASTS,ALKALI,AVONMORE,TVSELECT,MOTHERSON,NFL,GPIL,MANALIPETC,RCF,WABAG,RAMCOCEM,RVHL,FINCABLES,NIACL,ASHOKA,AGARIND

also

EMKAY;SIKKO;CHEMPLASTS but nothing is working