“USQUEBAE” is a valid word. — 19 points Scrabble

basquea member of a people of unknown origin living in the western Pyrenees in France and Spain
queuesa line of people or vehicles waiting for something

abusecruel or inhumane treatment
queuea line of people or vehicles waiting for something
squabflesh of a pigeon suitable for roasting or braising; flesh of a dove (young squab) may be broiled
beausa man who is the lover of a girl or young woman
usque

seethe seat within a bishop's diocese where his cathedral is located
usethe act of using
seaa division of an ocean or a large body of salt water partially enclosed by land
busa vehicle carrying many passengers; used for public transport
sueFrench writer whose novels described the sordid side of city life (1804-1857)
beeany of numerous hairy-bodied insects including social and solitary species
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
absany of a class of composite plastics used to make car bodies and cases for computers and other appliances
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bea light strong brittle grey toxic bivalent metallic element
asa very poisonous metallic element that has three allotropic forms; arsenic and arsenic compounds are used as herbicides and insecticides and various alloys; found in arsenopyrite and orpiment and realgar
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
baa soft silvery metallic element of the alkali earth group; found in barite
esa radioactive transuranic element produced by bombarding plutonium with neutrons
ae
aba bachelor's degree in arts and sciences

USQUEBAE