Words formed from any letters in proficiently plus optional blank

a -

yare₆

yarn₇

yean₇

year₆

d -

yeld₈

yird₇

yond₈

g -

yogi₈

h -

yech₁₁

k -

yelk₁₁

yerk₁₀

yock₁₃

yoke₁₀

yolk₁₁

l -

yell₈

yill₈

m -

ylem₁₀

r -

yirr₆

s -

yens₇

yins₇

yips₉

t -

yett₆

u -

your₇

yule₈

yurt₇

w -

winy₁₀

wipe₁₀

wire₇

wiry₉

wite₇

wolf₁₁

wont₈

wore₇

worn₈

wort₇

wren₈

writ₇

wyle₁₀

wyte₉

yowe₉

yowl₁₀

z -

zein₁₄

zero₁₃

zinc₁₇

ziti₁₃

zoic₁₆

zone₁₄

zori₁₃