7 letter words:
aspirin9,
6 letter words:
rapini8,
sprain8,
raisin6,
5 letter words:
nipas7,
pains7,
pairs7,
paris7,
pians7,
pinas7,
pirns7,
airns5,
naris5,
rains5,
ranis5,
sarin5,
4 letter words:
naps6,
nipa6,
nips6,
pain6,
pair6,
pans6,
pars6,
pian6,
pias6,
pina6,
pins6,
pirn6,
raps6,
rasp6,
rips6,
snap6,
snip6,
span6,
spar6,
spin6,
ains4,
airn4,
airs4,
anis4,
inia4,
iris4,
nisi4,
rain4,
rais4,
rani4,
rias4,
rins4,
sain4,
sari4,
3 letter words:
asp5,
nap5,
nip5,
pan5,
par5,
pas5,
pia5,
pin5,
pis5,
psi5,
rap5,
rip5,
sap5,
sip5,
spa5,
ain3,
air3,
ais3,
ani3,
ars3,
ins3,
rai3,
ran3,
ras3,
ria3,
rin3,
sin3,
sir3,
sri3,
2 letter words:
pa4,
pi4,
ai2,
an2,
ar2,
as2,
in2,
is2,
na2,
si2,