Reconstructions

PS
*bVnṯ̣ur- - clitoris, vagina (SED I No. 37, Kogan 2011: 219)
Reliable, though attested only in Akk. and Arb. Note a variety of forms in Arb.
PS
*bny - to build (EDA B N65)
PS
*bar- - kind of bird (SED II No. 61)
PS
*bur- - kind of insect (SED II No. 62)
PS
*burˁ- - reed, mat (EDA I 217)
PS
*brḥ - to be clear (EDA I 233)
PS
*bi/ark- - knee (SED I No. 39)
Cf. *rVk(u)b(­at)­ 'knee' (No. 232) and discussion in [GD 163], where separation of these two roots is also favored.
PS
*baraḳ-/*barḳ- - lightning (Fronzaroli 1965a: 140, 146, 150; Kogan 2011: 194)
PS
*brḳ - to flash (EDA I 250)
Presumably, denominative from *baraḳ-/*barḳ- 'lightning'
PS
*brm - to be multicolored (Kogan 2011: 199)