5 letter words:
birks11,
borks11,
briks11,
brisk11,
dirks10,
dorks10,
birds8,
bords8,
brods8,
dorbs8,
dribs8,
biros7,
brios7,
doris6,
4 letter words:
birk10,
bisk10,
boks10,
bork10,
bosk10,
brik10,
kobs10,
dirk9,
disk9,
dork9,
kids9,
skid9,
irks8,
kirs8,
kois8,
kors8,
kris8,
oiks8,
risk8,
roks8,
skio8,
bids7,
bird7,
bods7,
bord7,
brod7,
dibs7,
dobs7,
dorb7,
drib7,
bios6,
biro6,
bois6,
bors6,
brio6,
bris6,
bros6,
obis6,
orbs6,
ribs6,
robs6,
sorb6,
dors5,
ords5,
rids5,
rods5,
sord5,
sori4,
3 letter words:
bok9,
kob9,
kid8,
irk7,
kir7,
kis7,
koi7,
kor7,
kos7,
oik7,
rok7,
sik7,
ski7,
bid6,
bod6,
dib6,
dob6,
bio5,
bis5,
boi5,
bor5,
bos5,
bro5,
obi5,
obs5,
orb5,
rib5,
rob5,
sib5,
sob5,
dis4,
dor4,
dos4,
dso4,
ids4,
ods4,
ord4,
rid4,
rod4,
sod4,
ios3,
iso3,
ors3,
sir3,
sri3,
2 letter words:
ki6,
ko6,
bi4,
bo4,
ob4,
di3,
do3,
id3,
od3,
io2,
is2,
oi2,
or2,
os2,
si2,
so2,