Words formed from any letters in shirker plus optional blank

t -

their₇

tiers₅

tikes₉

tires₅

treks₉

trier₅

tries₅

trike₉

u -

surer₆

usher₈

v -

viers₉

vires₉

w -

weirs₈

whirr₁₀

whirs₁₀

whisk₁₄

wirer₈

wires₈

wiser₈

wrier₈

wries₈

y -

yerks₁₁

yikes₁₁

yirrs₇

z -

zerks₁₈