8 letter words:
paraffin16,
apiarian10,
6 letter words:
affrap14,
affair12,
raffia12,
farina9,
parian8,
pirana8,
rapini8,
5 letter words:
afara8,
infra8,
apian7,
pirai7,
prana7,
naira5,
4 letter words:
fifi10,
naff10,
niff10,
raff10,
riff10,
frap9,
afar7,
faan7,
fain7,
fair7,
fiar7,
fini7,
firn7,
naif7,
arpa6,
napa6,
nipa6,
pain6,
pair6,
para6,
pian6,
pina6,
pirn6,
airn4,
aria4,
arna4,
inia4,
raia4,
rain4,
rana4,
rani4,
3 letter words:
aff9,
iff9,
fap8,
arf6,
faa6,
fan6,
far6,
fin6,
fir6,
fra6,
rif6,
nap5,
nip5,
pan5,
par5,
pia5,
pin5,
pir5,
rap5,
rip5,
aia3,
ain3,
air3,
ana3,
ani3,
rai3,
ran3,
ria3,
rin3,
2 letter words:
fa5,
if5,
pa4,
pi4,
aa2,
ai2,
an2,
ar2,
in2,
na2,