4 letter words:
joke15,
jouk15,
juke15,
koji15,
fuji14,
fike11,
kief11,
kufi11,
euoi4,
3 letter words:
jeu10,
joe10,
kef10,
kif10,
eik7,
euk7,
koi7,
kue7,
oik7,
oke7,
ouk7,
uke7,
feu6,
fie6,
foe6,
fou6,
ufo6,
2 letter words:
jo9,
ki6,
ko6,
ef5,
fe5,
if5,
of5,
io2,
oe2,
oi2,
ou2,