1.   He begged for a letter by return.

2.   Send the letter by airmail.

3.   The Herald published a letter by Owens that voiced her complaints about her interview with the board.

4.   There were two letters by the door.

5.   This is not the keeping of the letter by escaping through the loopholes which we have opened up through clever casuistry.

6.   She began her letter by entreating me to forgive the belatedness of her reply.

7.   She sent him a letter by special delivery.

8.   This time it was an ordinary letter by the looks of things and it took, again, just over three minutes.

9.   Editors sometimes justify their refusal to publish letters by victims of attacks in their newspapers, on the grounds that they contain passages libellous of their journalists.

10.   I would like to respond to the somewhat muddled letter by Peter Winstanley concerning the British National Party.