pofydi'u (was: "Tintin - L'Ile Noire" in Lojban)

[jexOm. <jexOm@free.fr>]

Le 30 nov. 03, à 00:19, Pierre Abbat a écrit :

> On Saturday 29 November 2003 17:12, Jérôme Desquilbet wrote:
> > > > Is {besydi'u} a good lujvo for "x1 are the ruins of x2"?
> > >
> > > {besydi'u} I'm not sure what is. A building which is owned by a son?
> > > {fesydi'u} could mean "a building where waste is stored"; I'm not 
> > > sure
> > > which
> > > meaning is more useful, or more common.
> >
> > What about {pofdi'u}?
>
> {pofydi'u} of course. An excellent suggestion, though the place 
> structure
> (since {spofu} and {dinju} have the same) has to be "x1 is a building 
> which
> can't be used for x2 anymore because it's ruined".

Before I study this place structure issue:
Why is the {y} needed? I thought that it was needed only if the 
consonnant pair is forbidden?
Sorry if it is a beginners question.
Thanks,
  Jérôme.