12 letter words:
flipflopping25,
8 letter words:
flipflop18,
piffling17,
flipping16,
flopping16,
plopping15,
poppling15,
7 letter words:
fopping15,
pipping14,
popping14,
fopling13,
lipping12,
lopping12,
filling11,
foiling11,
pignoli10,
pilling10,
polling10,
pillion9,
gillion8,
6 letter words:
fifing13,
goniff13,
offing13,
pippin12,
fillip11,
piping11,
filing10,
poplin10,
infill9,
loping9,
piling9,
poling9,
oiling7,
5 letter words:
gliff12,
gippo10,
fling9,
flong9,
gonif9,
ippon9,
fillo8,
gipon8,
oping8,
piing8,
pingo8,
pling8,
plong8,
lipin7,
lingo6,
login6,
4 letter words:
goff11,
fifi10,
niff10,
flip9,
flop9,
figo8,
flog8,
golf8,
pipi8,
plop8,
fill7,
filo7,
fini7,
fino7,
foil7,
foin7,
glop7,
golp7,
info7,
ping7,
pong7,
lipo6,
pili6,
pill6,
pion6,
poll6,
gill5,
ingo5,
ling5,
long5,
lilo4,
lino4,
lion4,
loin4,
nill4,
noil4,
noll4,
3 letter words:
iff9,
off9,
fop8,
fig7,
fog7,
gif7,
pip7,
pop7,
fil6,
fin6,
fon6,
gip6,
pig6,
lip5,
lop5,
nip5,
pin5,
poi5,
pol5,
gin4,
gio4,
gon4,
lig4,
log4,
nog4,
ill3,
ion3,
lin3,
nil3,
oil3,
2 letter words:
if5,
of5,
op4,
pi4,
po4,
gi3,
go3,
in2,
io2,
li2,
lo2,
no2,
oi2,
on2,