Discuss the below:
Q: (Telephone-Number Word Generator) Standard telephone keypads contain the digits through nine. The numbers two through nine each have three letters associated with t (Fig. below). Many people find it difficult to memorize phone numbers, so they use the corral dense between digits and letters to develop seven-letter words that correspond to their phone n ben. For example, a person whose telephone number is 686-2377 might use the correspon indicated in Fig. to develop the seven-letter word "NUMBERS." Every seven-letter word responds to exactly one seven-digit telephone number. A restaurant wishing to increase its business could surely do so with the number 825-3688 (i.c., "TAKEOUT'). Every seven-letter phone number corresponds to many different seven-letter words. Unfortt nutty, most of these words represent unrecognizable juxtapositions of letters. It is possible. how ever, that the owner of a barbershop would be pleased to know that the shop's telephone number;
Fig.
Digit Letters
2 ABC
3 DEF
4 GHI
5 JKL
6 MNO
7 PRS
8 TUV
9 WXY