5 letter words:
boysy13,
sybow13,
towsy11,
bitsy10,
bitos7,
obits7,
4 letter words:
towy10,
yows10,
ywis10,
bows9,
boys9,
swob9,
sybo9,
toby9,
yobs9,
owts7,
stow7,
swot7,
tows7,
toys7,
twos7,
wist7,
wits7,
wost7,
wots7,
bios6,
bist6,
bito6,
bits6,
bois6,
bots6,
obis6,
obit6,
stob6,
3 letter words:
swy9,
yow9,
bow8,
boy8,
bys8,
yob8,
owt6,
oys6,
sow6,
soy6,
sty6,
tow6,
toy6,
two6,
wis6,
wit6,
wos6,
wot6,
yos6,
bio5,
bis5,
bit5,
boi5,
bos5,
bot5,
obi5,
obs5,
sib5,
sob5,
ios3,
iso3,
its3,
sit3,
sot3,
tis3,
2 letter words:
by7,
ow5,
oy5,
wo5,
yo5,
bi4,
bo4,
ob4,
io2,
is2,
it2,
oi2,
os2,
si2,
so2,
st2,
ti2,
to2,