6 letter words:
kronor10,
5 letter words:
zorro14,
kroon9,
4 letter words:
zonk17,
jook15,
orzo13,
zoon13,
koro8,
nook8,
nork8,
rook8,
roon4,
3 letter words:
zoo12,
jor10,
kon7,
kor7,
rok7,
noo3,
nor3,
ono3,
oon3,
oor3,
roo3,
2 letter words:
zo11,
jo9,
ko6,
no2,
on2,
oo2,
or2,