Words formed from any letters in schoolwards plus optional blank

e -

worse₈

k -

works₁₂

wrack₁₅

m -

worms₁₁

p -

woops₁₁

wraps₁₁

t -

worst₈

worth₁₀

worts₈

wrath₁₀

wroth₁₀

u -

would₁₁

y -

wordy₁₁

yahoo₉

yards₈

yawls₁₁

yodhs₁₀

yowls₁₁

z -

zorch₁₉