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

hillsa local and well-defined elevation of the land
shilla decoy who acts as an enthusiastic customer in order to stimulate the participation of others
hillo

hilla local and well-defined elevation of the land
soilthe state of being covered with unclean things
oilsa slippery or viscous liquid or liquefiable substance not miscible with water
siloa cylindrical tower used for storing silage
sillstructural member consisting of a continuous horizontal timber forming the lowest member of a framework or supporting structure
illsan often persistent bodily disorder or disease; a cause for complaining
hols
soliany activity that is performed alone without assistance

his
oila slippery or viscous liquid or liquefiable substance not miscible with water
illan often persistent bodily disorder or disease; a cause for complaining
sola colloid that has a continuous liquid phase in which a solid is suspended in a liquid
lis
ohs

ishave the quality of being; (copula, used with an adjective or a predicate noun)
sothe syllable naming the fifth (dominant) note of any musical scale in solmization
oha midwestern state in north central United States in the Great Lakes region
hian expression of greeting
hoa trivalent metallic element of the rare earth group; occurs together with yttrium; forms highly magnetic compounds
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
lo
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
osa mouth or mouthlike opening

HILLOS