L--V--D--H

In some combinations use letters which make the semblance of a word

and later some which spell a word. Notice how quickly and easily the

combination is remembered when it conveys sense or something definite

which the mind can grasp. For example--

Miller's Mind training for children Book 1 (of 3) A practical training for successful living; Educational games that train the senses · 第 71 / 140 题