http://ffxiv.consolegameswiki.com/wi..._50_Gear_Guide
Those are your options.

As for Levi Ex, that's slated to happen in 2.3. Thornmarch and Whorleater were just changed to allow for solo-queuing with 2.28
Players can now queue for Thornmarch (Extreme) and The Whorleater (Extreme) solo via the Duty Finder.
* When registering with less than eight players, the party must adhere to the following composition: 2 Tanks / 2 Healers / 4 DPS