7 letter words:
pyrexes19,
6 letter words:
prexes15,
5 letter words:
prexy17,
pyrex17,
pyxes17,
rexes12,
peery10,
preys10,
pyres10,
seepy10,
eyers8,
eyres8,
peers7,
peres7,
perse7,
prees7,
prese7,
speer7,
spree7,
4 letter words:
sexy14,
prex13,
exes11,
espy9,
prey9,
pyes9,
pyre9,
spry9,
yeps9,
eery7,
eyer7,
eyes7,
eyre7,
ryes7,
peer6,
pees6,
pere6,
pree6,
reps6,
seep6,
rees4,
seer4,
sere4,
3 letter words:
pyx15,
rex10,
sex10,
pry8,
pye8,
spy8,
yep8,
eye6,
rye6,
yes6,
pee5,
per5,
pes5,
rep5,
ere3,
ers3,
ree3,
res3,
see3,
ser3,
2 letter words:
ex9,
ye5,
pe4,
er2,
es2,
re2,