“SITUP” is a valid word. — 7 points Scrabble

suita set of garments (usually including a jacket and trousers or skirt) for outerwear all of the same fabric and color
putsthe option to sell a given stock (or stock index or commodity future) at a given price before a given date
spita narrow strip of land that juts out into the sea
tipsthe extreme end of something; especially something pointed
pitsa sizeable hole (usually in the ground)
tuis
tupsuncastrated adult male sheep

putthe option to sell a given stock (or stock index or commodity future) at a given price before a given date
sitbe seated
its
tipthe extreme end of something; especially something pointed
pita sizeable hole (usually in the ground)
sipa small drink
tis
ups
supa small amount of liquid food
psia unit of pressure
pusthe tenth month of the Hindu calendar
tui
piu
tupuncastrated adult male sheep
pis
uts

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)
upraise
usNorth American republic containing 50 states - 48 conterminous states in North America plus Alaska in northwest North America and the Hawaiian Islands in the Pacific Ocean; achieved independence in 1776
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
pithe ratio of the circumference to the diameter of a circle; approximately equal to 3.14159265358979323846...
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
utthe local time at the 0 meridian passing through Greenwich, England; it is the same everywhere

SITUP