Words formed from any letters in impermeably plus optional blank

d -

yald₈

yard₇

yeld₈

yird₇

g -

yagi₈

h -

yeah₈

k -

yelk₁₁

yerk₁₀

l -

yell₈

yill₈

n -

yarn₇

yean₇

o -

yore₆

r -

yirr₆

s -

yams₉

yaps₉

yeas₆

yips₉

t -

yeti₆

u -

yaup₁₀

yule₈

w -

weep₁₀

weer₇

weir₇

were₇

wile₈

wily₁₀

wimp₁₃

wipe₁₀

wire₇

wiry₉

wrap₁₀

wyle₁₀

yawl₁₀

yawp₁₂

z -

zeal₁₄

zyme₁₈