5 letter words:
parts7,
patus7,
prats7,
praus7,
pruta7,
spart7,
sprat7,
spurt7,
sputa7,
strap7,
stupa7,
supra7,
tapus7,
tarps7,
traps7,
turps7,
ratus5,
surat5,
sutra5,
4 letter words:
apts6,
pars6,
part6,
past6,
pats6,
patu6,
prat6,
prau6,
purs6,
puts6,
raps6,
rapt6,
rasp6,
spar6,
spat6,
spur6,
stap6,
taps6,
tapu6,
tarp6,
trap6,
tups6,
upas6,
upta6,
urps6,
arts4,
rast4,
rats4,
ratu4,
rusa4,
rust4,
ruts4,
saut4,
star4,
sura4,
tars4,
taus4,
tsar4,
ursa4,
utas4,
3 letter words:
apt5,
asp5,
par5,
pas5,
pat5,
pst5,
pur5,
pus5,
put5,
rap5,
sap5,
spa5,
sup5,
tap5,
tup5,
ups5,
urp5,
ars3,
art3,
ras3,
rat3,
rut3,
sar3,
sat3,
sau3,
sur3,
tar3,
tas3,
tau3,
uta3,
uts3,
2 letter words:
pa4,
up4,
ar2,
as2,
at2,
st2,
ta2,
ur2,
us2,
ut2,