5 letter words:
iroko9,
koori9,
4 letter words:
hoik11,
hoki11,
hook11,
khor11,
koro8,
rook8,
hori7,
3 letter words:
khi10,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
hoi6,
hoo6,
oho6,
ooh6,
rho6,
oor3,
roo3,
2 letter words:
ki6,
ko6,
hi5,
ho5,
oh5,
io2,
oi2,
oo2,
or2,