Words formed from any letters in loopings plus optional blank

a -

span₈

c -

spic₁₀

e -

sole₅

sone₅

h -

soph₉

k -

sook₈

spik₁₁

r -

sori₄

sorn₅

s -

sols₅

sons₅

sops₇

t -

soot₄

spit₇

spot₇

stop₇

tils₅

ting₇

tins₅

tips₇

togs₆

toil₅

tong₇

tons₅

tool₅

toon₅

topi₇

tops₇

u -

soul₆

soup₈

spun₉

sung₈

upon₉

v -

spiv₁₁

vigs₁₀

vino₉

viol₉

w -

sown₈

swig₉

swop₁₀

wigs₉

wing₁₀

wino₈

wins₈

wisp₁₀

wogs₉

wons₈

wool₈

woos₇

wops₁₀

y -

syli₇

yins₇

yips₉

yogi₈

yoni₇

z -

zigs₁₅

zing₁₆

zins₁₄

zips₁₆

zoon₁₄

zoos₁₃