3.

First in knot, but not in rope.
Second in fight, but not in cope.
Third in gong, but not in bell.
Fourth in height, but not in dell.
Fifth in shout, but not in sigh.
Sixth in thirsty, not in dry.
Seventh in ant, but not in bee.
Eighth in mortgage, not in fee.
Ninth in gale, but not in wind.
Tenth in Bundelkund, not in Scinde.
Eleventh in oyster, not in clam.
A bird of rarest charms I am.

J. W. (aged 9).