“BILBOS” is a valid word. — 10 points Scrabble

soilthe state of being covered with unclean things
boila painful sore with a hard core filled with pus
sloba coarse obnoxious person
bloban indistinct shapeless form
oilsa slippery or viscous liquid or liquefiable substance not miscible with water
siloa cylindrical tower used for storing silage
bobsa former monetary unit in Great Britain
bios
bibstop part of an apron; covering the chest
libs
lobsan easy return of a tennis ball in a high arc
soliany activity that is performed alone without assistance
obis(West Indies) followers of a religious system involving witchcraft and sorcery
sibb

boba former monetary unit in Great Britain
oila slippery or viscous liquid or liquefiable substance not miscible with water
sola colloid that has a continuous liquid phase in which a solid is suspended in a liquid
soba dyspneic condition
bio
lis
lib
loban easy return of a tennis ball in a high arc
bibtop part of an apron; covering the chest
boswild and domestic cattle; in some classifications placed in the subfamily Bovinae or tribe Bovini
obi(West Indies) followers of a religious system involving witchcraft and sorcery
bis
siba person's brother or sister

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
lia soft silver-white univalent element of the alkali metal group; the lightest metal known; occurs in several minerals
bo
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
bia heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals
osa mouth or mouthlike opening

BILBOS