5 letter words:
nisus5,
risus5,
ruins5,
sinus5,
4 letter words:
nurs4,
rins4,
ruin4,
runs4,
sins4,
sirs4,
sris4,
suns4,
unis4,
urns4,
3 letter words:
ins3,
nis3,
nur3,
nus3,
rin3,
run3,
sin3,
sir3,
sis3,
sri3,
sui3,
sun3,
sur3,
sus3,
uni3,
uns3,
urn3,
2 letter words:
in2,
is2,
nu2,
si2,
un2,
ur2,
us2,