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

willthe capability of conscious choice and decision and intention
tillunstratified soil deposited by a glacier; consists of sand and clay and gravel and boulders mixed together
billa statute in draft before it becomes law
wiltany plant disease characterized by drooping and shriveling; usually caused by parasites attacking the roots
lilta jaunty rhythm in music

bita small piece or quantity of something
illan often persistent bodily disorder or disease; a cause for complaining
litthe humanistic study of a body of literature
til
wita message whose ingenuity or verbal skill or incongruity has the power to evoke laughter
lib

itthe branch of engineering that deals with the use of computers and telecommunications to retrieve and store and transmit information
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
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

TWIBILL