Words formed from any letters in dastardly plus optional blank

e -

treads₇

yarded₁₀

yarest₈

i -

triads₇

trials₇

yairds₉

n -

yantra₉

u -

ultras₈

v -

vastly₁₃

w -

trawls₁₀

waddly₁₄

wastry₁₁