sew,
so,
sow

Shauna loves to sew her own clothes.

She saves her allowance, so she can buy fabric.

I’d rather sow seeds and watch my garden grow.

sit,
set

May I sit on one of those folding chairs?

Yes, if you help me set them up first.

some,
sum

I have some math problems to do.

What is the sum of 58 + 17?

son,
sun

Joe Jackson is the son of Kate Jackson.

The sun is the source of the earth’s energy.