“SHTETLS” is a valid word. — 10 points Scrabble

less(comparative of `little' usually used with mass nouns) a quantifier meaning not as great in amount or degree
testtrying something to find out about it
letsa brutal terrorist group active in Kashmir; fights against India with the goal of restoring Islamic rule of India
setsa group of things of the same kind that belong together and are so used
lest
shes
stetprinting: cancel, as of a correction or deletion
settrectangular paving stone with curved top; once used to make roads
hest
sels
teththe 9th letter of the Hebrew alphabet
tels
hets
eths
tetsthe New Year in Vietnam; observed for three days after the first full moon after January 20th

the
she
leta brutal terrorist group active in Kashmir; fights against India with the goal of restoring Islamic rule of India
seta group of things of the same kind that belong together and are so used
tel
hes
hetmade warm or hot (`het' is a dialectal variant of `heated')
tetthe New Year in Vietnam; observed for three days after the first full moon after January 20th
ess
els
eth
sel

hea very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
eh
elangular distance above the horizon (especially of a celestial object)
et
esa radioactive transuranic element produced by bombarding plutonium with neutrons
sh

SHTETLS