Words formed from any letters in butterflyer plus optional blank

a -

yatter₈

l -

yeller₁₀

n -

unbelt₁₂

unfelt₁₂

unfree₁₁

unreel₉

p -

yelper₁₂

s -

ulster₈

utters₇

yester₈

v -

velure₁₂

w -

welter₁₀

wetter₉

x -

urtext₁₄