√vfh 'tear'
present: [6.] vfh/ati bfh/ati etc.
perfect: vav/arha V.+
aorist: [1.] varhi -- [3.] avIvfhat avavarhat -- [5.] barhIs barhIt -- [7.] avfkzat etc.
[future: varkzyati varhizyati varQA varhitA ]
verbal: vfQ/a bfQa vfQvA varhitvA -v/fhya -vfhas -v/arham -barham
secondary: passive: vfhyate etc. -- intensive: varIvfh- -- desiderative: vivfkza- vivarhiza- -- causative: barh/ayati etc. varhita
derivatives: -vfha S.+ barha AV.+ varha AV.+ barhin E. varhin E. b/arhaRa AV.+ v/arhaRa AV.+ barh/is? V.+
Compare √bfh. THe confusion of b and v goes back to the oldest time.