you can try to wear one set on monday and wednesday, one set on tuesday and thursday, and another set on Friday. it's not hard to make all these combinations if u have 2 to 3 coats and 2-3 pants. but in winter the same thick outfit should be ok.

nowadays most people, except very very formal occasion, wear business casual suits(excluding jeans, sneakers, anything with holes, and sportswear) from monday to thursday, and probably jeans on friday(depending on your company's dress code).