5 letter words:
bilks11,
kilos9,
boils7,
4 letter words:
bilk10,
bisk10,
boks10,
bosk10,
kobs10,
ilks8,
kilo8,
kois8,
lisk8,
oiks8,
silk8,
skio8,
skol8,
bios6,
boil6,
bois6,
libs6,
lobi6,
lobs6,
obis6,
slob6,
oils4,
silo4,
soil4,
soli4,
3 letter words:
bok9,
kob9,
ilk7,
kis7,
koi7,
kos7,
oik7,
sik7,
ski7,
bio5,
bis5,
boi5,
bos5,
lib5,
lob5,
obi5,
obs5,
sib5,
sob5,
ios3,
iso3,
lis3,
los3,
oil3,
sol3,
2 letter words:
ki6,
ko6,
bi4,
bo4,
ob4,
io2,
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,