6 letter words:
raisin6,
5 letter words:
fains8,
fairs8,
fiars8,
finis8,
firns8,
infra8,
naifs8,
snarf8,
airns5,
naris5,
rains5,
ranis5,
sarin5,
4 letter words:
arfs7,
fain7,
fair7,
fans7,
fars7,
fiar7,
fini7,
fins7,
firn7,
firs7,
fras7,
fris7,
naif7,
rifs7,
ains4,
airn4,
airs4,
anis4,
aris4,
inia4,
iris4,
isna4,
nisi4,
rain4,
rais4,
rani4,
rias4,
rins4,
sain4,
sair4,
sari4,
siri4,
snar4,
3 letter words:
arf6,
fan6,
far6,
fas6,
fin6,
fir6,
fra6,
ifs6,
rif6,
sif6,
ain3,
air3,
ais3,
ani3,
ars3,
ins3,
nas3,
nis3,
rai3,
ran3,
ras3,
ria3,
rin3,
sai3,
san3,
sar3,
sin3,
sir3,
sri3,
2 letter words:
fa5,
if5,
ai2,
an2,
ar2,
as2,
in2,
is2,
na2,
si2,