In a code language, 'day of rest' is written as 'per din ces', 'rest after work' is written as 'per fin tds', 'all day work' is written as 'din fin mls'. What is the code for the word 'after' in this language?
एक निश्चित कूट भाषा में 'day of rest' को 'per din ces', 'rest after work' को 'per fin tds', 'all day work' को 'din fin mls' के रूप में लिखा जाता है। इसी कूट भाषा में शब्द 'after' को किस प्रकार लिखा जाएगा?