Reconstructions

PS
*ˀī/*ˀay - no, not (HALOT 38; CDG 1; Kogan 2015: 281)
PS
*ˀay- - bird of prey (SED II No. 23, DRS 18)
PS
*ˀayy- - which? (Kogan 2009:72)
PS
*ˀayyal- - stag, deer (SED II No. 25, Fron. V 294)
PS
*ˀayl-, *ˀVl- - ram (SED II No. 24, DRS 17)
PS
*ˀayl(-ān)- - (a big poplar) (Fronzaroli 1969a, pp. 277, 290, 300)

Level?

PS
*ˀayat- - sign (Arkhipov 2019: 55)
PS
*ˁabaḳ- - sores, scabies, leprosy (SED I No. 18; Kogan 2011: 230)
PS
*ˁabVw- - kind of fish (SED II No. 27, HSED No. 1117)
PS
*ˁidḳ- - (lock/tuft of) hair, curl, fleece (SED I No. 12)