Words formed from any letters in fourplex plus optional blank

a -

ureal₇

b -

ruble₁₀

c -

ulcer₁₀

d -

roped₉

ruled₈

uredo₇

e -

rupee₉

f -

ruffe₁₂

g -

rouge₈

n -

rouen₇

p -

upper₁₂

q -

roque₁₅

r -

roper₈

ruler₇

s -

roles₆

rolfs₉

ropes₈

roues₆

roups₉

rouse₆

rules₇

slope₉

slurp₁₀

sorel₆

spore₈

sprue₉

sulfo₁₀

super₉

xerus₁₃

t -

route₆

toper₈

trope₈

w -

rowel₉

woful₁₃

x -

xerox₁₉

y -

ropey₁₀

roupy₁₁