Prefixes starting with <BU>
<BU >
.
<BUB>
.
<BUC>
.
<BUD>
.
<BUE>
.
<BUF>
.
<BUI>
.
<BUK>
.
<BUL>
.
<BUM>
.
<BUN>
.
<BUP>
.
<BUR>
.
<BUS>
.
<BUT>
.
<BUX>
.
<BUY>
.
<BUZ>
.
<BU> (other)
.