This section is from the book "The Science And Art Of Phrase-Making", by David Wolfe Brown. Also available from Amazon: The science and art of phrase-making.
428. Sometimes a consonant stroke is extended to triple length, for the purpose of including therein an additional there or they are, as in the phrase whether they are ready

429. In the following phrases, there or their is to be expressed by making the preceding strokes triple length:
center their energies
enter their names
enter their house
enter their service
I know they are there now
I wonder there is not
murder their reputation
render their decision surrender their posts tender their services tender their thanks whether there can be whether there is now whether there will be
430. Some authorities have undertaken to teach and exemplify strokes of quadruple length, representing, for instance, such phrases as do you know whether they are there. But, in the opinion of the author, even a triple length should be used very sparingly, and the quadruple length not at all.
 
Continue to: