Words formed from any letters in nonparallels plus optional blank

d -

splendor₁₄

e -

spelaean₁₃

i -

splenial₁₄

u -

supernal₁₄

unlearns₁₂

unperson₁₄

unreason₁₁

v -

volplane₁₈

w -

walloper₁₆

warplane₁₆