Prefixes starting with <Fel>
<Fela>
.
<Felb>
.
<Felc>
.
<Feld>
.
<Fele>
.
<Felg>
.
<Feli>
.
<Fell>
.
<Felo>
.
<Fels>
.
<Felt>
.
<Fel> (other)
.