I read.

I read a letter.

I read a word.

 

I read a sentence.

I read a letter.

I read a book.

 

I read.

You read.

He reads.

 

I write.

I write a letter / character.

I write a word.

 

I write a sentence.

I write a letter.

I write a book.

 

I write.

You write.

He writes.