“TWIBILS” is a valid word. — 12 points Scrabble

wiltsany plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots

lista database containing an ordered array of items (names or topics)
bitsa small piece or quantity of something
slita long narrow opening
witsthe basic human power of intelligent thought and perception
wiltany plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots
siltmud or clay or small rocks deposited by a river or lake
ibiswading birds of warm regions having long slender down-curved bills
libs
wist
litsthe humanistic study of a body of literature
tils
iwis

bita small piece or quantity of something
sitbe seated
its
litthe humanistic study of a body of literature
til
wita message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
tis
lis
lib
bis
wis
siba person's brother or sister

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)
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
bia heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
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

TWIBILS