Reconstructions

PES
*blḫ - to be sharp (CDG 95, Kogan 2015: 454)
PES
*barbar - tree, bush (EDA I 388)
PES
*bärr- - door, gate (EDA I 48)
PES
*bərr, bərur - silver, money (Kogan 2015:192)
PES
*bsbs - to putrefy (EDA I 108)
PES
*bṣbṣ - to mix, to stir (EDA I 399)
PES
*batr- - branch, stick (DRS 90, Kogan 2015: 454)
PES
*bṭḳ - to cut, to break (EDA I 497)
PES
*bzḫ - to be numerous (Kogan 2015: 442)

Probably related to Akk. šuparzuḫu ‘to make abundant, to provide abundantly’, Arb. bḏḫ ‘to be high, lofty; to be proud, haughty’. 

PES
*dlw - to weigh

The connection of the root as well as its ESA and MSA cognates (Sab. mdlt, SD 36, Soq. déle, LS 128) to PS *dlw is questionable