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

Crossword clues for First of all 3 letters

AnswerClue
OUTBeaten to first, say
EPTFirst Response rival
EMI1977 Sex Pistols song named after their first record label who dropped them
FAAFormer org. for Ben Sliney, whose first day on the job as its National Operations Manager was September 11, 2001 (!)
CINCity with the first professional baseball club (1869): Abbr.
TIO_____ segundo (first cousin once removed, in Spanish)
SALMan's name that becomes another man's name when its first letter is removed
UNOFirst word of "Wooly Bully"
MITSch. from which the first-ever email was sent
UPSIts first fleet member was a Model T
PBRCheap "first prize" beer, casually
HESFirst word of "Nowhere Man"
VIAStopping at first
SSNIts first three digits had geographic significance until 2011: Abbr.
RFKLBJ's first attorney general
NSWIts nickname is "The First State": Abbr.
YODFirst letter of "Jehovah", in Hebrew
ORRPlayer with the first million-dollar contract in the NHL
EVEOne of the first two
IPOThe Bank of North America (1783) was the U.S.' first one
NSWIt borders the Pacific and has the nickname "The First State": Abbr.
EGGFirst-comer?
ABCFirst-grader's trio
IVEFirst word of "We Are the Champions"
TETIt's on the first new moon after the Sun enters Aquarius
KOACo. whose first site was in a backyard on the Yellowstone River
AMOFirst Latin verb?
SEIThe first three positive "numeri" combined
OSXSierra was the first version not called this anymore
ARKFirst zoo?
LSUJoe Burrow was its first Heisman winner since 1959
GOOBaby's first "word," but c'mon, let's face it, it's not really a word, per se, more like a grunt
XERPerson whose first computer might have been a Commodore 64
WINFinish first
ABEFirst name at Gettysburg
UNONumero ___ (first-rate)
IMAFirst two words of "Travelin' Man"
PAT1960s-70s First Lady
IDIFirst name in Ugandan terrorism
IDAMcKinley's First Lady
WHOAbbott's first baseman
JLOFirst female recipient of the Billboard 40-Across Award, for short
ICHFirst person in Bonn
SNLIts first host was George Carlin
EVEFirst snake spotter
ALEFirst-round draft pick?
OROThe first blank in "___ y ___"
ORRFirst NHL player to record 100 assists in a season
TRITNT's first T
THE___ First Noel