Answer: chis

AnswerCrossword Clue
CHISCertain Greek letters
CHISPhis' followers
CHISX's
CHISPsis' predecessors
CHISXXX, in a way
CHISSigma ... (fraternity men)
CHISX's, in Greece
CHISXXX abroad
CHISParts of some chapter names
CHISX X X
CHISXXXXX, to the Greeks
CHISFollowers of phis
CHISXs
CHISSorority letters
CHISX, X, X
CHISAntepenultimate letters
CHISGreek characters
chisCHI, a Greek letter, also KHI
chisthe vital life force in the body supposedly regulated by acupuncture
chisthe 22d letter of the Greek alphabet see alphabet table
chisthe twenty-second letter of the Greek alphabet
CHISX's for Xenophon
CHISPhi followers
CHISLetters from Greece
CHISGreek X's
CHISGreek letters
CHISXXX look-alikes
CHISPsis' preceders
CHISPsi preceders
CHISXenophon's X's
CHISXXX, to the Greeks
CHISXXX
CHISGreek Xs
CHISX's, to Xanthus
CHISGreek consonants
CHISX's, in Crete
CHISLetters after phis
CHISFrat letters
CHISHellenic consonants
CHISGreek letters.