She sells sea shells by the sea shore.
And the shells she sells are surely sea shells.
Since she sells shells by the sea shore,
I’m sure the shells she sells are seashore shells.
This is popular tongue twister, is confusing because of the “sh” sound. It’s fun and challenging to successfully say this tongue twister. If you can say it without any mistakes, you would be able to see an improvement in your fluency and pronunciation.