en_tn_condensed/deu/02/28.md

You will sell me food for money, so that I may eat; give me water for money, so that I may drink

"I expect to have to pay for food so I can eat and to pay for water so I can drink". Moses tells Sihon that the Israelites will not steal from the Amorites and requests that Sihon and his people sell food and water to the Israelites; he is not giving a command.

sell me ... I may eat ... give me ... I may drink

"sell to me and my people ... we may eat ... give us ... we may drink". Moses is referring to the people of Israel as if they were Moses himself.

only let me pass through on my feet

"only let us walk through your land"