6 letter words:
mixups17,
5 letter words:
mixup16,
piums9,
4 letter words:
imps8,
mips8,
pium8,
simp8,
spim8,
sump8,
umps8,
3 letter words:
mix12,
mux12,
pix12,
six10,
xis10,
imp7,
ump7,
ism5,
mis5,
mus5,
pis5,
piu5,
psi5,
pus5,
sim5,
sip5,
sum5,
sup5,
ups5,
sui3,
2 letter words:
xi9,
xu9,
mi4,
mu4,
pi4,
um4,
up4,
is2,
si2,
us2,