Words formed from any letters in preordered plus optional blank

s -

seder₆

sered₆

serer₅

sorer₅

speed₉

speer₈

spode₉

spore₈

spree₈

t -

tepee₈

toped₉

topee₈

toper₈

treed₆

trode₆

trope₈

u -

udder₈

uredo₇