6 letter words:
bitter8,
5 letter words:
biker11,
kiter9,
trike9,
biter7,
bitte7,
britt7,
rebit7,
tribe7,
tetri5,
titer5,
titre5,
trite5,
4 letter words:
berk10,
bike10,
birk10,
brik10,
kerb10,
kibe10,
keir8,
kier8,
kite8,
reik8,
tike8,
trek8,
bier6,
bite6,
bitt6,
brei6,
brie6,
brit6,
rite4,
ritt4,
tier4,
tire4,
tite4,
tret4,
trie4,
3 letter words:
keb9,
eik7,
erk7,
irk7,
ket7,
kir7,
kit7,
bet5,
bit5,
reb5,
rib5,
ire3,
rei3,
ret3,
rit3,
tet3,
tie3,
tit3,
2 letter words:
ki6,
be4,
bi4,
er2,
et2,
it2,
re2,
te2,
ti2,