Prefixes starting with <EM>
<EM >
.
<EMA>
.
<EMB>
.
<EMC>
.
<EMD>
.
<EME>
.
<EMI>
.
<EMM>
.
<EMO>
.
<EMP>
.
<EMR>
.
<EMS>
.
<EMT>
.
<EMU>
.
<EMV>
.
<EMa>
.
<EM> (other)
.