7 letter words:
reitbok13,
5 letter words:
bortz16,
zibet16,
biker11,
broke11,
kiter9,
toker9,
trike9,
troke9,
biter7,
boite7,
orbit7,
tribe7,
4 letter words:
zerk17,
bize15,
ritz13,
zero13,
zori13,
berk10,
bike10,
birk10,
bork10,
kerb10,
kibe10,
keir8,
keto8,
kier8,
kite8,
kore8,
tike8,
toke8,
trek8,
bier6,
biro6,
bite6,
bore6,
bort6,
brie6,
brio6,
brit6,
obit6,
robe6,
riot4,
rite4,
rote4,
roti4,
tier4,
tire4,
tiro4,
tore4,
tori4,
trio4,
3 letter words:
zek16,
biz14,
zit12,
kob9,
irk7,
kir7,
kit7,
koi7,
kor7,
oke7,
bet5,
bio5,
bit5,
bot5,
bro5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
ire3,
ore3,
ort3,
rei3,
ret3,
roe3,
rot3,
tie3,
toe3,
tor3,
2 letter words:
ki6,
be4,
bi4,
bo4,
er2,
et2,
it2,
oe2,
oi2,
or2,
re2,
ti2,
to2,