With a longer number, you may need more than one word to remember it on a phone pad. For example, 263-346-5282 is CODE IN JAVA. Using your work from Exercise P13.2, write a program that, given any number, lists all word sequences that spell the number on a phone pad.

Data from Exercise P13.2,

Continue Exercise P13.1, checking the words against the /usr/share/dict/words file on your computer, or the words.txt file in the companion code for this book. For a given number, return only actual words.