Words formed from any letters in spoolers plus optional blank

i -

sri₃

t -

tel₄

toe₃

too₃

top₆

tor₃

u -

sue₄

sup₇

upo₇

ups₇

use₄

v -

voe₇

w -

woe₆

woo₆

wop₉

wos₆

y -

yep₈

yes₅

z -

zoo₁₂