8 letter words:
brainpan12,
6 letter words:
banian8,
parian8,
pirana8,
5 letter words:
apian7,
bairn7,
brain7,
pinna7,
naira5,
4 letter words:
abri6,
bani6,
barn6,
bran6,
brin6,
napa6,
nipa6,
pain6,
pair6,
para6,
pian6,
pina6,
pirn6,
airn4,
anna4,
aria4,
naan4,
nana4,
raia4,
rain4,
rani4,
3 letter words:
bap7,
aba5,
arb5,
baa5,
ban5,
bar5,
bin5,
bra5,
nab5,
nap5,
nib5,
nip5,
pan5,
par5,
pia5,
pin5,
rap5,
rib5,
rip5,
ain3,
air3,
ana3,
ani3,
inn3,
nan3,
rai3,
ran3,
ria3,
rin3,
2 letter words:
ab4,
ba4,
bi4,
pa4,
pi4,
aa2,
ai2,
an2,
ar2,
in2,
na2,
