Words formed from any letters in stratum plus optional blank

b -

urb₇

d -

urd₅

e -

use₄

n -

urn₅

p -

ups₇

v -

var₇

vas₇

vat₇

vau₈

w -

war₆

was₆

wat₆

y -

yam₈

yar₅

yum₉