Below are some alternate tire options for the Aurora Limited, Omega, or Aurora Sport. If you use a knobby tire consider going down to a 2.6 so that fender rubbing is minimized.
Pavement/ Hardpacked options
26x2.8 Vee Tire Speedster
https://veetireco.com/product/plus-size-speedster/
26x2.5 Surly Extraterrestrial
https://surlybikes.com/parts/extraterrestrial
26x2.5 Maxxis Hookeworm
https://shop.maxxis.com/collections/bicycle/products/hookworm?variant=39747980198023
26x2.4 Schwalbe Super Moto X
https://www.schwalbetires.com/Super-Moto-X-11101381.01
26x2.35 Schwalbe Big Apple
https://www.schwalbetires.com/Big-Apple-11100299
26x2.35 Schwalbe Pick Up
https://www.schwalbetires.com/Schwalbe-Pick-Up-11159260
Knobby Options
26x2.8 WTB Ranger
this tire isnt being manufactured anymore but was a great knobby option if you can find it
26x2.5 Maxxis Minion
https://shop.maxxis.com/collections/bicycle/products/minion-dhf-1?variant=