--- In firebird-support@yahoogroups.com, "bazarin" <wagner@b...>

> DM.cdsPalavra.Params.ParamBtName
> ('pfLetra').AsString:= '''%'+Letra+'''';
> DM.cdsPalavra.Params.ParamBtName
> ('piLetra').AsString:= ''''+Letra+'%''';

You can replace this criterion:
''''+Letra+'%''';
with STARTING WITH Letra (parametrized of course)

And you can replave the other criterion
'''%'+Letra+'''';
also with STARTING WITH, when you store also char-reverseved
entries in your table, i.e.
string 'House'
reversewd 'esuoH'

Peter