Words formed from any letters in backfilling plus optional blank

t -

tacking₁₇

tailing₁₁

talcing₁₄

talking₁₅

ticking₁₇

tilling₁₂

v -

vailing₁₅

vialing₁₅

vicinal₁₆

villain₁₄

w -

waifing₁₆

wailing₁₄

walking₁₈

walling₁₅

wicking₂₀

willing₁₅

y -

yacking₁₉