4 letter words:
cowy12,
towy10,
city9,
toby9,
bito6,
cito6,
coit6,
obit6,
otic6,
3 letter words:
yow9,
bow8,
boy8,
cow8,
coy8,
icy8,
yob8,
cob7,
owt6,
tow6,
toy6,
two6,
wit6,
wot6,
bio5,
bit5,
boi5,
bot5,
cit5,
cot5,
obi5,
tic5,
toc5,
2 letter words:
by7,
ow5,
oy5,
wo5,
yo5,
bi4,
bo4,
ob4,
io2,
it2,
oi2,
ti2,
to2,