Reconstructions

PS
*γṯy - to be dark (Kogan 2015: 34, note 66; Kogan 2001: 266)
PS
*γVzāl- - gazelle (SED II No. 92; Kogan 2011: 208)
PS
*hḏy/w - to be mad, talk without sense; produce incoherent sounds (in one’s sleep) (SED I No. 18ᵥ)
PS
*hadad- - thunder (Fronzaroli 1965a: 140; DRS 373; Kogan 2011: 194)
PS
*hlk - to walk (DRS 413, HALOT 246, Kogan 2015:234)
PS
*hll - to be imbecile, weak-minded, mad; be mocked at (SED I No. 19ᵥ)

Originally rather a biconsonantal stem. Note various ways of triconsonantization in Eth. and a full reduplication in Arb. and Soq.

PS
*hanni- - (deictic element) (Tropper 2001a:17, Kogan 2015: 35)
PS
*hry - to be pregnant, conceive (SED I No. 20ᵥ; HALOT 255; DRS 452-3)
PS
*hwy - to be (Kogan 2015:399)

As pointed out by J. Tropper (1993a:280), “in dieser Bed. und mit w als zweitem Radikal ausschliesslich aram.” The Hebrew form with y (hāyā, HALOT 241) is probably an innovation.

PS
*ḥabl- - rope (CDG 223; HALOT 286)