Words formed from any letters in plottings plus optional blank

r -

trigons₁₀

tritons₈

tropins₁₁

u -

tousing₁₁

touting₁₁

unspilt₁₃

unsplit₁₃

upsilon₁₃

uptilts₁₂

utopist₁₁

w -

wittols₁₁

wotting₁₃

y -

tylosin₁₁