Words formed from any letters in ballparks plus optional blank

e -

spae₇

i -

spik₁₁

m -

spam₁₀

n -

span₈

o -

soap₇

soar₄

sola₅

sora₄

sorb₇

s -

spas₇

t -

spat₇

stab₇

star₄

tabs₇

taka₈

tala₅

talk₉

tall₆

tapa₇

taps₇

tarp₇

tars₄

task₈

trap₇

tsar₄

u -

spur₈

suba₈

sulk₁₀

sura₅

upas₈

urbs₈

ursa₅

v -

vara₈

vars₈

vasa₈

w -

swab₁₀

swap₁₀

wabs₁₀

walk₁₂

wall₉

waps₁₀

wark₁₁

warp₁₀

wars₇

wasp₁₀

wrap₁₀

y -

spay₉

spry₉

yaks₁₀

yaps₉

z -

spaz₁₆

zaps₁₆