5 letter words:
zurfs17,
firks12,
frisk12,
kufis12,
kuris9,
4 letter words:
friz16,
zurf16,
firk11,
fisk11,
kifs11,
kufi11,
irks8,
kirs8,
kris8,
kuri8,
risk8,
rusk8,
firs7,
fris7,
furs7,
rifs7,
surf7,
3 letter words:
fiz15,
riz12,
kif10,
irk7,
kir7,
kis7,
sik7,
ski7,
suk7,
fir6,
fur6,
ifs6,
rif6,
sif6,
sir3,
sri3,
sui3,
sur3,
2 letter words:
ki6,
if5,
is2,
si2,
ur2,
us2,