Words formed from any letters in operceles plus optional blank

d -

speeder₁₁

speeled₁₂

speered₁₁

i -

spieler₁₁

splicer₁₄

spoiler₁₁

l -

speller₁₂

n -

spencer₁₄

s -

splores₁₁

t -

spectre₁₃

spelter₁₁

steeper₁₀

steeple₁₁

tercels₁₁

u -

sporule₁₂

w -

sweeper₁₃

weepers₁₃

y -

yelpers₁₃