% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for Letter before 49-Down 3 letters

AnswerClue
PSILetter before 49-Down
PSIFourth letter after 49-Down
DESArticle one letter off from 49-Across
IBM49-Down, with each letter shifted one place later in the alphabet (coincidence?)
BOSLogan Airport luggage letters ... and a hint to 17-, 27-, 49- and 64-Across
DDSCavity filler's letters, or, said another way, a hint to 17-, 29-, 49- and 65-Across
ORCAMammal made from the first four letters of 49-Down
ASCIILetters used to 49 Across
SHORTVOWELSThe A's in "fat cat," e.g. ... or three letters in 17-, 24-, 49- or 57-Across?
PLAYINGWITHFIRERisky activity, and what certain four-letter sequences in 17-, 24-, 49- and 61-Across are doing?
CHANGECOURSEVeer, and a hint to the indicated letters in 20-, 28- and 49-Across
SPINCYCLEWasher action ... or a hint to four consecutive letters inside 18-, 23-, 38- and 49-Across
WHEREWASILost-one's-place words often preceded by the two-letter start of 17-, 29- and 49-Across
BASEBALLWith 49-Across, a hint to the circled letters
UNHEARDCircle the letter that is ___ in 20, 25, 27, 36, 49, and 54 Across to produce a description of this puzzle's title
ITALIANWith 49-Down, its form follows the pattern of the circled letters
BROKENWith 49-Across, it keeps repeating itself ... and, based on the first and last letters, an apt description of each answer to a starred clue
NEVERWith 39-Across and 49-Across, rule broken by the three theme entries' first and last two letters