Words formed from any letters in pentosanes plus optional blank

r -

treason₈

trepans₁₁

u -

toupees₁₁

uneases₉

uneaten₁₀

unseats₉

unsnaps₁₃

unspent₁₃

unsteps₁₂

unstops₁₂

w -

townees₁₁

waeness₁₁

wanness₁₂

wannest₁₂

wantons₁₂

weapons₁₄

weasons₁₁

wetness₁₁

woeness₁₁