Thesal

or

Toles's Tounge Twisters

Thesal

Cecil

Thistle

Scissle

Sizzle

Sessile

Sisal.

Sisly

Thistly

Sicily

Thessaly.

Thither

Zither

Scissors.

Seize

These

C's

Seethe.

Thighs

Size

Sighs

Scythes.