6 letter words:
bicker14,
birkie12,
ickier12,
5 letter words:
brick13,
biker11,
bikie11,
icker11,
kibei11,
giber8,
icier7,
4 letter words:
zerk17,
bize15,
beck12,
geck11,
berk10,
bike10,
birk10,
kerb10,
kibe10,
reck10,
rick10,
bice8,
crib8,
keir8,
kier8,
berg7,
brig7,
gibe7,
bier6,
brie6,
cire6,
rice6,
3 letter words:
zek16,
biz14,
zig13,
ick9,
keg8,
irk7,
kir7,
beg6,
big6,
cig6,
gib6,
ice5,
reb5,
rec5,
rib5,
erg4,
gie4,
reg4,
rig4,
ire3,
rei3,
2 letter words:
ki6,
be4,
bi4,
er2,
re2,