5 letter words:
proof10,
iroko9,
koori9,
primo9,
promo9,
poori7,
4 letter words:
firk11,
fork11,
mirk10,
moki10,
moko10,
mook10,
pook10,
pork10,
firm9,
form9,
from9,
mofo9,
poof9,
prof9,
koro8,
moop8,
pomo8,
prim8,
prom8,
romp8,
rook8,
roof7,
miro6,
mooi6,
moor6,
poor6,
proo6,
room6,
roop6,
3 letter words:
kif10,
kip9,
kop9,
fop8,
imp7,
irk7,
kir7,
koi7,
kor7,
mop7,
oik7,
pom7,
rok7,
fir6,
for6,
fro6,
oof6,
orf6,
rif6,
mir5,
moi5,
moo5,
mor5,
oom5,
oop5,
pir5,
poi5,
poo5,
pro5,
rim5,
rip5,
rom5,
oor3,
roo3,
2 letter words:
ki6,
ko6,
if5,
of5,
mi4,
mo4,
om4,
op4,
pi4,
po4,
io2,
oi2,
oo2,
or2,