Prefixes starting with <PB>
<PBA>
.
<PBB>
.
<PBC>
.
<PBD>
.
<PBG>
.
<PBI>
.
<PBL>
.
<PBM>
.
<PBO>
.
<PBR>
.
<PBS>
.
<PBT>
.
<PBX>
.
<PB> (other)
.