Prefixes starting with <BS>
<BS >
.
<BSA>
.
<BSB>
.
<BSC>
.
<BSD>
.
<BSE>
.
<BSF>
.
<BSI>
.
<BSL>
.
<BSM>
.
<BSN>
.
<BSO>
.
<BSP>
.
<BSS>
.
<BST>
.
<BSX>
.
<BSc>
.
<BS> (other)
.