4 letter words:
kybo13,
body10,
doby10,
toby9,
doty8,
tidy8,
tody8,
bito6,
obit6,
doit5,
3 letter words:
yok10,
bok9,
kob9,
boy8,
kid8,
yob8,
doy7,
kit7,
koi7,
oik7,
yid7,
yod7,
bid6,
bod6,
dib6,
dob6,
toy6,
bio5,
bit5,
boi5,
bot5,
obi5,
dit4,
dot4,
tid4,
tod4,
2 letter words:
ky9,
by7,
ki6,
ko6,
oy5,
yo5,
bi4,
bo4,
ob4,
di3,
do3,
id3,
od3,
io2,
it2,
oi2,
ti2,
to2,