6 letter words:
kirbeh15,
5 letter words:
hiker12,
biker11,
4 letter words:
hike11,
berk10,
bike10,
birk10,
brik10,
kerb10,
kibe10,
herb9,
keir8,
kier8,
reik8,
heir7,
hire7,
bier6,
brei6,
brie6,
3 letter words:
khi10,
keb9,
eik7,
erk7,
irk7,
kir7,
her6,
hie6,
reh6,
reb5,
rib5,
ire3,
rei3,
2 letter words:
ki6,
eh5,
he5,
hi5,
be4,
bi4,
er2,
re2,