If the conversation's limited to phase 3 then; https://classic.wowhead.com/gear-set/hemo-x-rogue-13291
Swampwalkers / Warden's Wraps as you prefer.
Weapon A / Weapon B as you prefer.
As for the notion of a 39 combat rogue, probably decent 1v1. But actually not playable, hunters with Catseye...