“SLURBS” is a valid word. — 8 points Scrabble

slurs(music) a curved line spanning notes that are to be played legato
blursa hazy or indistinct representation
burlsthe wood cut from a tree burl or outgrowth; often used decoratively in veneer
slubssoft lump or unevenness in a yarn; either an imperfection or created by design
slurb

blura hazy or indistinct representation
subsa 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
rubsan unforeseen obstacle
slur(music) a curved line spanning notes that are to be played legato
burlthe wood cut from a tree burl or outgrowth; often used decoratively in veneer
bussthe act of caressing with the lips (or an instance thereof)
bursseed vessel having hooks or prickles
urbs
slubsoft lump or unevenness in a yarn; either an imperfection or created by design

busa vehicle carrying many passengers; used for public transport
ruban unforeseen obstacle
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
burseed vessel having hooks or prickles
urb

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

SLURBS