How about a square or a sector of a circle.
a square starts with 's'
A square
Isosceles triangle
a bottomhead
any regular polygon e.g a circle
1
The letter T for example
A square
sausage
The letter "S" has no lines of symmetry. It does not exhibit reflectional symmetry along any axis, as its shape does not mirror itself when divided.
There is none.going to the mall Toddy
Septahedron