7 letter words:
pirojki20,
6 letter words:
crojik19,
5 letter words:
jocko18,
wrick14,
prick13,
crook11,
iroko9,
koori9,
poori7,
4 letter words:
jock17,
jook15,
koji15,
cowk13,
joco13,
wick13,
wock13,
pick12,
pock12,
cowp11,
kiwi11,
roji11,
work11,
cook10,
cork10,
piki10,
pook10,
pork10,
rick10,
rock10,
crow9,
prow9,
coop8,
crop8,
koro8,
poco8,
rook8,
coir6,
poor6,
proo6,
roop6,
3 letter words:
jow13,
jor10,
kow10,
wok10,
ick9,
kip9,
kop9,
cow8,
pow8,
wop8,
cop7,
irk7,
kir7,
koi7,
kor7,
oik7,
pic7,
rok7,
iwi6,
row6,
woo6,
coo5,
cor5,
oop5,
orc5,
pir5,
poi5,
poo5,
pro5,
rip5,
roc5,
oor3,
roo3,
2 letter words:
jo9,
ki6,
ko6,
ow5,
wo5,
op4,
pi4,
po4,
io2,
oi2,
oo2,
or2,