If you want to make some decent "demo" lists out of those two starters I would recommend these.
No LT, but for demos I wouldn't worry about that and a few special rules tossed in too.
ARIADNA
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GROUP 1 (Regs: 5/Irrs: 0):
3x LINE KAZAK Rifle / Pistol, Knife (9)
VETERAN KAZAKS (CH: Mimetism) AP Rifle, Light Flamethrower / Pistol, CCW (47)
CHASSEUR Rifle, Light Flamethrower, Antipersonnel Mines / Pistol, Knife (19)
93 Points | SWC: 0
ARMY CODE:
Army Infinity v.3.0.
HAQQISLAM
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GROUP 1 (Regs: 5/Irrs: 0):
NAFFATÛN Rifle + Light Flamethrower / Pistol, Knife (10)
3x GHULAM Rifle + Light Shotgun / Pistol, Knife (13)
JANISSARY AP Rifle + Light Shotgun / Pistol, CCW (45)
94 Points | SWC: 0
ARMY CODE:
Army Infinity v.3.0.