Words formed from any letters in efficients plus optional blank

u -

use₄

uts₄

v -

vee₇

vet₇

vie₇

vis₇

w -

wee₆

wen₇

wet₆

win₇

wis₆

wit₆

x -

xis₁₀

y -

yen₆

yes₅

yet₅

yin₆

z -

zee₁₂

zin₁₃

zit₁₂