Words formed from any letters in impasse plus optional blank

b -

sib₆

c -

sic₆

k -

ska₇

ski₇

n -

sin₄

o -

som₆

sop₆

sos₃

r -

sir₃

sri₃

t -

sit₃

tae₃

tam₆

tap₆

tas₃

tea₃

tie₃

tip₆

tis₃

u -

sue₄

sum₇

sup₇

ump₁₀

ups₇

use₄

v -

vas₇

via₇

vie₇

vim₁₀

vis₇

w -

wae₆

wap₉

was₆

wis₆

x -

six₁₀

xis₁₀

y -

spy₈

yam₈

yap₈

yea₅

yep₈

yes₅

yip₈

z -

zap₁₅

zip₁₅