7 letter words:
riflips12,
6 letter words:
riflip11,
5 letter words:
flips10,
flirs8,
pilis7,
4 letter words:
flip9,
fils7,
firs7,
flir7,
rifs7,
lips6,
lisp6,
pili6,
rips6,
slip6,
iris4,
liri4,
3 letter words:
fil6,
fir6,
ifs6,
rif6,
lip5,
pis5,
psi5,
rip5,
sip5,
lis3,
sir3,
sri3,
2 letter words:
if5,
pi4,
is2,
li2,
si2,
