Words formed from any letters in instructress plus optional blank

v -

vires₉

virtu₁₀

virus₁₀

vises₉

w -

weirs₈

wests₈

wince₁₂

wines₉

wirer₈

wires₈

wiser₈

wises₈

wists₈

wites₈

wrens₉

wrest₈

wrier₈

wries₈

wrist₈

write₈

writs₈

wurst₉

x -

xenic₁₆

xeric₁₅

xerus₁₃

y -

yetis₇

yetts₇

yince₁₁

yirrs₇

yurts₈

z -

zeins₁₅

zests₁₄

zincs₁₈