| Figure 43 /E N T H V C C O/T X R E M U X O E U Y E I S G A U A M A H Y T A E I D E X T N B H B N S E I/R A S T D A N V/N X/G G E O I C R L/B X C S U T L T E S R |
Here, we must be guided by our judgment, since trigram tests, even with figures available, would never be feasible on columns of this length. The acceptance of No. 3, evidently, would mean the cutting of our column-length to 5 letters, which, as we have said, is not at all unlikely in an actual case. The two highest tests from Fig. 40, however, are those included in Nos. 2 and 5. With reference to No. 2, where the right-hand digrams have the higher total, it is not impossible that the trigrams ACD and VOX were actually in use, or that the set-up should be
| Figure 44 (a) (b) (c) (d) A R E G A R E G R A R E G R E X A R E G R E T H A N G H A N G E H A N G E I C H A N G E I N Y S T E Y S T E M Y S T E M S S Y S T E M S B T T H O T T H O U T T H O U G U T T H O U G H A D V I A D V I S A D V I S A T A D V I S A B E A C C E A C C O E A C C O U L E A C C O U N I N C R I N C R E I N C R E A T I N C R E A S D V O L D V O L U D V O L U M E D V O L U M E ...S ...R (e) /E N T H V C C O/T X /R E M U S O E U/Y/E I S G A U A M/A H Y T A E I D/ E X/T N B H B N S E/ I/R A S T D A N V/N X/G G E O I C R L/B X C S U T L T E S R (f) (g) (h) X A R E G R E T X * R E G R E T * * R E G R E T C H C H A N G E I N C H A N G E I N C H A N G E I N S Y S Y S T E M S B S Y S T E M S B S Y S T E M S B U T U T T H O U G H U T T H O U G H U T T H O U G H T A T A D V I S A B T A D V I S A B T A D V I S A B L E L E A C C O U N L E A C C O U N L E A C C O U N T I T I N C R E A S T I N C R E A S T I N C R E A S E D E D V O L U M E E D V O L U M E E D V O L U M E S E S E N T B Y * I S E N T B Y A I S E N T B Y A I R X R X X X R X X X * R X X X X 6 1 7 2 3 5 8 4 .....(Key)....... |
cut, above the trigram ACD; but No. 5 is the one which carries word-suggestions all the way to the end.
With the adding of other columns, which can be done on either side of the set-up, further digram tests can be made (taken only on the two extreme right-hand or left-hand columns), but in most cases no further tests are needed. Considering, for instance, that No. 5 is the combination tentatively accepted, we need a segment from the cryptogram containing the U which ought (apparently) to follow THO, then the S or C which ought (apparently) to follow DVI; that is, we want to find a sequence US or UC in the rest of the cryptogram; and this (apparently) should be followed by two vowels in succession, to fit after the sequences ACC and NCR. In other words, we know exactly what kinds of letters ought to make up the column which can be added on the right side of combination 5, and even the specific letters. Or, if it is the left side on which we have chosen to fit the new column, we need a segment containing the A of the apparent ADVI, followed at interval 2 by the vowel, probably I, which ought to precede a trigram NCR.
In Fig. 43, the three segments of set-up No. 5 have been circled out of the cryptogram (to prevent further use of their letters), and the segment chosen to fit on the left side of set-up No. 5 has been underscored, ready to be circled out in case it is found to fit. It is now possible to see the suggested nine-letter words, ADVISABLE and INCREASED, the guessing of which would permit us to apply the easy method first described.
With or without these guesses, the rest of the solution, as outlined in Fig. 44, is now plain sailing. At (a), the underscored segment of Fig. 43 is in place. At (b),
| Figure 45 The OHAVER CV-VC Test: RATEB OWSTT EETOP UUIMC YUAOG AIOIA OBSTB BAKAR YYEDT UWYNT NNFKG FJSOT WYQAR IROIH. TT TO cv TM TE cv WO cv WP WC WD YP vc YU YY YT vc (QU) (QU) (QU) (QU) AU AI AA AW vc RI cv RM RO cv RY cv IM vc IC vc IG vc IN vc 4 2 2 5 The following is the original cryptogram used by Mr. Ohaver for demonstration: TVYIE TRROR EHNIA EUDSR IEONI ORENA EEORP TEALO LTSUH LHQNO UCADD CSAAE TDVFU GNNYC YI. (Reprinted from Detective Fiction Weekly of October 8, 1927, with permission of The Frank A. Munsey Company). |
the column containing the desired US and following vowels has been set up on the right, where we seem to need the E or A of ADVISE or ADVISABLE, followed immediately by the U or R of ACCOUNT or ACCORD. At (c), we have found the segment, and at (d) (usually earlier), we are introduced to the actual lengths of our columns.