The song reminds me of MJ Hibbett: lo-fi uke, unpredictable scantion, addressing himself in the second person. Perhaps if MJ got Stephen Fry to do an outro for him he’d have as many fans as he deserves.
Most of the way this will suit you fine:
d – d u – u d -
Although you can add an extra strum in occasionally:
d u d u – u d -