Skyrim.esm
Update.esm
USKP (Required master of a lot here)
Dawnguard
UDGP
Hearthfires
UHFP
Dragonborn
UDBP
All other ESMs
Guard Dialogue Overhaul
WAFR
WAFR patches (Masks, True Weapons, Arrows. If you use the 'all patches' option installing WAFR they will be merged into the main file)
CCF
Cutting Room Floor
Anything that changes existing Weapons/Armor.
Immersive Armors
Immersive Weapons (UU & IW can be in any order)
WeaponsArmorFixes_ImmersiveWeapons_Patch.esp
Unique Uniques (UU & IW both make edits to Dragonbane)
Pre PaMa IW Patch
CCOR
PerkusMaximus_Master.esp
PerMa Expansion 1 - Wintermyst.esp
PerkusMaximus_Mage.esp
PerkusMaximus_Thief.esp
PerkusMaximus_Warrior.esp
Apocalypse Magic
All other ESPs
Alternate Start - Live Another Life
AS - LAL Patches
Pre PaMa WAFR Patch
Pre PaMa CCF Patch (Bash Mergable)
Pre PaMa CCOR Patch
TES5 Edit Merge patch (watch  Sharlikrans video and make sure to clean masters after deleting LLs)
Bashed Patch (Guide)
Automatic Variants
ASIS - Dependency
ASIS
EveryBody's Different Redone
PatchusMaximus.esp
Dual Sheath Redux Patch.esp (here or lower)