“THIRLS” is a valid word. — 9 points Scrabble

this
shitobscene terms for feces
lista database containing an ordered array of items (names or topics)
hits(baseball) a successful stroke in an athletic contest (especially in baseball)
stira prominent or sensational but short-lived news event
slita long narrow opening
hiltthe handle of a sword or dagger
sith
siltmud or clay or small rocks deposited by a river or lake
shri
hist
thir
litsthe humanistic study of a body of literature
tils
tirl

his
sirterm of address for a man
sitbe seated
its
hit(baseball) a successful stroke in an athletic contest (especially in baseball)
litthe humanistic study of a body of literature
til
tis
sri
lis

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
ishave the quality of being; (copula, used with an adjective or a predicate noun)
hian expression of greeting
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
sia tetravalent nonmetallic element; next to oxygen it is the most abundant element in the earth's crust; occurs in clay and feldspar and granite and quartz and sand; used as a semiconductor in transistors
sh
tia light strong grey lustrous corrosion-resistant metallic element used in strong lightweight alloys (as for airplane parts); the main sources are rutile and ilmenite

THIRLS