Words formed from any letters in flacks plus optional blank

o -

soak₈

sock₁₁

sofa₇

sola₅

t -

slat₅

tack₁₁

talc₈

talk₉

task₈

u -

suck₁₂

sulk₁₀

v -

vacs₁₁

w -

slaw₈

wack₁₄

walk₁₂

y -

slay₇

yack₁₃

yaks₁₀