Words formed from any letters in undoubling plus optional blank

p -

updo₉

upon₉

t -

unit₆

unto₆

v -

vino₉

viol₉

void₉

w -

wild₉

wind₉

wing₁₀

wino₈

wold₉

y -

yogi₈

yond₈

yoni₇

z -

zing₁₆