Words formed from any letters in apexes plus optional blank

d -

sped₈

t -

step₇

tape₇

taps₇

teas₄

tees₄

tepa₇

u -

spue₈

supe₈

upas₈

v -

vase₈

veep₁₁

vees₈

w -

spew₁₀

swap₁₀

waes₇

waps₁₀

wasp₁₀

weep₁₀

wees₇

y -

yaps₉

yeas₆

z -

zaps₁₆

zees₁₃