Words formed from any letters in weaknesses plus optional blank

i -

wis₆

o -

woe₆

wok₁₀

won₇

wos₆

y -

wye₈

wyn₉

yak₉

yaw₈

yea₅

yen₆

yes₅

yew₈

z -

zee₁₂

zek₁₆