Words formed from any letters in bookfuls plus optional blank

a -

sulfa₁₀

m -

umbos₁₂

p -

spoof₁₁

spook₁₂

spool₉

s -

sulks₁₁

t -

stook₉

stool₆

tofus₉

tolus₇

tools₆

w -

woful₁₃

wolfs₁₂

woofs₁₁

wools₉

y -

sulky₁₃

yolks₁₂

z -

zooks₁₈