“BUBBIES” is a valid word. — 13 points Scrabble

usethe act of using
busa vehicle carrying many passengers; used for public transport
sueFrench writer whose novels described the sordid side of city life (1804-1857)
suba large sandwich made of a long crusty roll split lengthwise and filled with meats and cheese (and tomato and onion and lettuce and condiments); different names are used in different sections of the United States
bub
sei
bibtop part of an apron; covering the chest
ebba gradual decline (in size or strength or power or number)
bis
siba person's brother or sister

ishave the quality of being; (copula, used with an adjective or a predicate noun)
bea light strong brittle grey toxic bivalent metallic element
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
esa radioactive transuranic element produced by bombarding plutonium with neutrons
bia heavy brittle diamagnetic trivalent metallic element (resembles arsenic and antimony chemically); usually recovered as a by-product from ores of other metals

BUBBIES