I think this is it, this is all the things your engrams can become. Thanks to the many redit users who contributed, and also Alexthehollow.
Primary:
Hawkmoon
Monte Carlo
jade rabbit (PS only)
Zhalos Super Cell
Suros Regime
Red death
Last word
Secondary:
Invective
Hereafter
Telesto
The fourth horseman
Heavy:
Truth
Thunderlord
Helmet:
The Stag
Obsidian Mind
Light Beyond Nemisis
Insurmontable Skullfort
Helm of St. 14
The Taikonaut
Helm of inmost light
Empyrean Bellicose
Graviton Forfeit
Mask of the third man
Skyburners Annex
Celestial Nighthawk
Knucklehead Radar
Gloves:
Young ahamkara's spine
Sealed Ahamkara Grasps
Ruin Wings
No Back up plans
Immolation fists
dont touch me
Impossible Machines
Claws of the Ahamkara
Chest:
Titan Crest of Alpha Lupi
Hunter Crest of Alpha Lupi
Alchemist's Raiment
Heart of Praxic fire
Starfire Protocol
Voidfang Vestments
Boots:
There are no boot engrams at this date. (no this is not a new exotic lol)
Lucifer on bnet posted this, in reguard to the new titan chest, with the air boosts...
'Luke Smith confirmed today that the only titan chest from an exotic engram is the crest.
Source: https://www.youtube.com/watch?v=GB4l75akRQs
at 52 minutes in.'
-
Heart of the Praxic Fire can drop. Trust me. I've gotten 5. :/